diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/sub.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/sub.ll | 1294 |
1 files changed, 0 insertions, 1294 deletions
diff --git a/llvm/test/Transforms/InstCombine/sub.ll b/llvm/test/Transforms/InstCombine/sub.ll deleted file mode 100644 index 6e1f34868f2..00000000000 --- a/llvm/test/Transforms/InstCombine/sub.ll +++ /dev/null @@ -1,1294 +0,0 @@ -; NOTE: Assertions have been autogenerated by utils/update_test_checks.py -; RUN: opt < %s -instcombine -S | FileCheck %s - -target datalayout = "e-p:64:64:64-p1:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" - -define i32 @sub_constant(i32 %x) { -; CHECK-LABEL: @sub_constant( -; CHECK-NEXT: [[R:%.*]] = add i32 [[X:%.*]], -42 -; CHECK-NEXT: ret i32 [[R]] -; - %r = sub i32 %x, 42 - ret i32 %r -} - -@g = global i32 0 - -define i32 @sub_constant_expression(i32 %x) { -; CHECK-LABEL: @sub_constant_expression( -; CHECK-NEXT: [[R:%.*]] = sub i32 [[X:%.*]], ptrtoint (i32* @g to i32) -; CHECK-NEXT: ret i32 [[R]] -; - %r = sub i32 %x, ptrtoint (i32* @g to i32) - ret i32 %r -} - -define <2 x i32> @sub_constant_vec(<2 x i32> %x) { -; CHECK-LABEL: @sub_constant_vec( -; CHECK-NEXT: [[R:%.*]] = add <2 x i32> [[X:%.*]], <i32 -42, i32 12> -; CHECK-NEXT: ret <2 x i32> [[R]] -; - %r = sub <2 x i32> %x, <i32 42, i32 -12> - ret <2 x i32> %r -} - -define <3 x i33> @sub_constant_vec_weird_type(<3 x i33> %x) { -; CHECK-LABEL: @sub_constant_vec_weird_type( -; CHECK-NEXT: [[R:%.*]] = add <3 x i33> [[X:%.*]], <i33 42, i33 -42, i33 12> -; CHECK-NEXT: ret <3 x i33> [[R]] -; - %r = sub <3 x i33> %x, <i33 -42, i33 42, i33 -12> - ret <3 x i33> %r -} - -define <4 x i32> @sub_constant_expression_vec(<4 x i32> %x) { -; CHECK-LABEL: @sub_constant_expression_vec( -; CHECK-NEXT: [[R:%.*]] = sub <4 x i32> [[X:%.*]], bitcast (i128 ptrtoint (i32* @g to i128) to <4 x i32>) -; CHECK-NEXT: ret <4 x i32> [[R]] -; - %r = sub <4 x i32> %x, bitcast (i128 ptrtoint (i32* @g to i128) to <4 x i32>) - ret <4 x i32> %r -} - -define i32 @neg_sub(i32 %x, i32 %y) { -; CHECK-LABEL: @neg_sub( -; CHECK-NEXT: [[R:%.*]] = add i32 [[Y:%.*]], [[X:%.*]] -; CHECK-NEXT: ret i32 [[R]] -; - %neg = sub i32 0, %x - %r = sub i32 %y, %neg - ret i32 %r -} - -define i32 @neg_nsw_sub(i32 %x, i32 %y) { -; CHECK-LABEL: @neg_nsw_sub( -; CHECK-NEXT: [[R:%.*]] = add i32 [[Y:%.*]], [[X:%.*]] -; CHECK-NEXT: ret i32 [[R]] -; - %neg = sub nsw i32 0, %x - %r = sub i32 %y, %neg - ret i32 %r -} - -define i32 @neg_sub_nsw(i32 %x, i32 %y) { -; CHECK-LABEL: @neg_sub_nsw( -; CHECK-NEXT: [[R:%.*]] = add i32 [[Y:%.*]], [[X:%.*]] -; CHECK-NEXT: ret i32 [[R]] -; - %neg = sub i32 0, %x - %r = sub nsw i32 %y, %neg - ret i32 %r -} - -define i32 @neg_nsw_sub_nsw(i32 %x, i32 %y) { -; CHECK-LABEL: @neg_nsw_sub_nsw( -; CHECK-NEXT: [[R:%.*]] = add nsw i32 [[Y:%.*]], [[X:%.*]] -; CHECK-NEXT: ret i32 [[R]] -; - %neg = sub nsw i32 0, %x - %r = sub nsw i32 %y, %neg - ret i32 %r -} - -define <2 x i32> @neg_sub_vec(<2 x i32> %x, <2 x i32> %y) { -; CHECK-LABEL: @neg_sub_vec( -; CHECK-NEXT: [[R:%.*]] = add <2 x i32> [[Y:%.*]], [[X:%.*]] -; CHECK-NEXT: ret <2 x i32> [[R]] -; - %neg = sub <2 x i32> zeroinitializer, %x - %r = sub <2 x i32> %y, %neg - ret <2 x i32> %r -} - -define <2 x i32> @neg_nsw_sub_vec(<2 x i32> %x, <2 x i32> %y) { -; CHECK-LABEL: @neg_nsw_sub_vec( -; CHECK-NEXT: [[R:%.*]] = add <2 x i32> [[Y:%.*]], [[X:%.*]] -; CHECK-NEXT: ret <2 x i32> [[R]] -; - %neg = sub nsw <2 x i32> zeroinitializer, %x - %r = sub <2 x i32> %y, %neg - ret <2 x i32> %r -} - -define <2 x i32> @neg_sub_nsw_vec(<2 x i32> %x, <2 x i32> %y) { -; CHECK-LABEL: @neg_sub_nsw_vec( -; CHECK-NEXT: [[R:%.*]] = add <2 x i32> [[Y:%.*]], [[X:%.*]] -; CHECK-NEXT: ret <2 x i32> [[R]] -; - %neg = sub <2 x i32> zeroinitializer, %x - %r = sub nsw <2 x i32> %y, %neg - ret <2 x i32> %r -} - -define <2 x i32> @neg_nsw_sub_nsw_vec(<2 x i32> %x, <2 x i32> %y) { -; CHECK-LABEL: @neg_nsw_sub_nsw_vec( -; CHECK-NEXT: [[R:%.*]] = add nsw <2 x i32> [[Y:%.*]], [[X:%.*]] -; CHECK-NEXT: ret <2 x i32> [[R]] -; - %neg = sub nsw <2 x i32> zeroinitializer, %x - %r = sub nsw <2 x i32> %y, %neg - ret <2 x i32> %r -} - -define <2 x i32> @neg_sub_vec_undef(<2 x i32> %x, <2 x i32> %y) { -; CHECK-LABEL: @neg_sub_vec_undef( -; CHECK-NEXT: [[R:%.*]] = add <2 x i32> [[Y:%.*]], [[X:%.*]] -; CHECK-NEXT: ret <2 x i32> [[R]] -; - %neg = sub <2 x i32> <i32 0, i32 undef>, %x - %r = sub <2 x i32> %y, %neg - ret <2 x i32> %r -} - -define <2 x i32> @neg_nsw_sub_vec_undef(<2 x i32> %x, <2 x i32> %y) { -; CHECK-LABEL: @neg_nsw_sub_vec_undef( -; CHECK-NEXT: [[R:%.*]] = add <2 x i32> [[Y:%.*]], [[X:%.*]] -; CHECK-NEXT: ret <2 x i32> [[R]] -; - %neg = sub nsw <2 x i32> <i32 undef, i32 0>, %x - %r = sub <2 x i32> %y, %neg - ret <2 x i32> %r -} - -define <2 x i32> @neg_sub_nsw_vec_undef(<2 x i32> %x, <2 x i32> %y) { -; CHECK-LABEL: @neg_sub_nsw_vec_undef( -; CHECK-NEXT: [[R:%.*]] = add <2 x i32> [[Y:%.*]], [[X:%.*]] -; CHECK-NEXT: ret <2 x i32> [[R]] -; - %neg = sub <2 x i32> <i32 undef, i32 0>, %x - %r = sub nsw <2 x i32> %y, %neg - ret <2 x i32> %r -} - -; This should not drop 'nsw'. - -define <2 x i32> @neg_nsw_sub_nsw_vec_undef(<2 x i32> %x, <2 x i32> %y) { -; CHECK-LABEL: @neg_nsw_sub_nsw_vec_undef( -; CHECK-NEXT: [[R:%.*]] = add nsw <2 x i32> [[Y:%.*]], [[X:%.*]] -; CHECK-NEXT: ret <2 x i32> [[R]] -; - %neg = sub nsw <2 x i32> <i32 0, i32 undef>, %x - %r = sub nsw <2 x i32> %y, %neg - ret <2 x i32> %r -} - -; (~X) - (~Y) --> Y - X -; Also, show that we can handle extra uses and vectors. - -declare void @use8(i8) - -define i8 @notnotsub(i8 %x, i8 %y) { -; CHECK-LABEL: @notnotsub( -; CHECK-NEXT: [[NX:%.*]] = xor i8 [[X:%.*]], -1 -; CHECK-NEXT: [[NY:%.*]] = xor i8 [[Y:%.*]], -1 -; CHECK-NEXT: [[SUB:%.*]] = sub i8 [[Y]], [[X]] -; CHECK-NEXT: call void @use8(i8 [[NX]]) -; CHECK-NEXT: call void @use8(i8 [[NY]]) -; CHECK-NEXT: ret i8 [[SUB]] -; - %nx = xor i8 %x, -1 - %ny = xor i8 %y, -1 - %sub = sub i8 %nx, %ny - call void @use8(i8 %nx) - call void @use8(i8 %ny) - ret i8 %sub -} - -define <2 x i8> @notnotsub_vec(<2 x i8> %x, <2 x i8> %y) { -; CHECK-LABEL: @notnotsub_vec( -; CHECK-NEXT: [[SUB:%.*]] = sub <2 x i8> [[Y:%.*]], [[X:%.*]] -; CHECK-NEXT: ret <2 x i8> [[SUB]] -; - %nx = xor <2 x i8> %x, <i8 -1, i8 -1> - %ny = xor <2 x i8> %y, <i8 -1, i8 -1> - %sub = sub <2 x i8> %nx, %ny - ret <2 x i8> %sub -} - -define <2 x i8> @notnotsub_vec_undef_elts(<2 x i8> %x, <2 x i8> %y) { -; CHECK-LABEL: @notnotsub_vec_undef_elts( -; CHECK-NEXT: [[SUB:%.*]] = sub <2 x i8> [[Y:%.*]], [[X:%.*]] -; CHECK-NEXT: ret <2 x i8> [[SUB]] -; - %nx = xor <2 x i8> %x, <i8 undef, i8 -1> - %ny = xor <2 x i8> %y, <i8 -1, i8 undef> - %sub = sub <2 x i8> %nx, %ny - ret <2 x i8> %sub -} - -define i32 @test5(i32 %A, i32 %B, i32 %C) { -; CHECK-LABEL: @test5( -; CHECK-NEXT: [[D1:%.*]] = sub i32 [[C:%.*]], [[B:%.*]] -; CHECK-NEXT: [[E:%.*]] = add i32 [[D1]], [[A:%.*]] -; CHECK-NEXT: ret i32 [[E]] -; - %D = sub i32 %B, %C - %E = sub i32 %A, %D - ret i32 %E -} - -define i32 @test6(i32 %A, i32 %B) { -; CHECK-LABEL: @test6( -; CHECK-NEXT: [[B_NOT:%.*]] = xor i32 [[B:%.*]], -1 -; CHECK-NEXT: [[D:%.*]] = and i32 [[B_NOT]], [[A:%.*]] -; CHECK-NEXT: ret i32 [[D]] -; - %C = and i32 %A, %B - %D = sub i32 %A, %C - ret i32 %D -} - -define i32 @test6commuted(i32 %A, i32 %B) { -; CHECK-LABEL: @test6commuted( -; CHECK-NEXT: [[B_NOT:%.*]] = xor i32 [[B:%.*]], -1 -; CHECK-NEXT: [[D:%.*]] = and i32 [[B_NOT]], [[A:%.*]] -; CHECK-NEXT: ret i32 [[D]] -; - %C = and i32 %B, %A - %D = sub i32 %A, %C - ret i32 %D -} - -define i32 @test7(i32 %A) { -; CHECK-LABEL: @test7( -; CHECK-NEXT: [[B:%.*]] = xor i32 [[A:%.*]], -1 -; CHECK-NEXT: ret i32 [[B]] -; - %B = sub i32 -1, %A - ret i32 %B -} - -define i32 @test8(i32 %A) { -; CHECK-LABEL: @test8( -; CHECK-NEXT: [[C:%.*]] = shl i32 [[A:%.*]], 3 -; CHECK-NEXT: ret i32 [[C]] -; - %B = mul i32 9, %A - %C = sub i32 %B, %A - ret i32 %C -} - -define i32 @test9(i32 %A) { -; CHECK-LABEL: @test9( -; CHECK-NEXT: [[C:%.*]] = mul i32 [[A:%.*]], -2 -; CHECK-NEXT: ret i32 [[C]] -; - %B = mul i32 3, %A - %C = sub i32 %A, %B - ret i32 %C -} - -define i1 @test11(i8 %A, i8 %B) { -; CHECK-LABEL: @test11( -; CHECK-NEXT: [[D:%.*]] = icmp ne i8 [[A:%.*]], [[B:%.*]] -; CHECK-NEXT: ret i1 [[D]] -; - %C = sub i8 %A, %B - %D = icmp ne i8 %C, 0 - ret i1 %D -} - -define <2 x i1> @test11vec(<2 x i8> %A, <2 x i8> %B) { -; CHECK-LABEL: @test11vec( -; CHECK-NEXT: [[D:%.*]] = icmp ne <2 x i8> [[A:%.*]], [[B:%.*]] -; CHECK-NEXT: ret <2 x i1> [[D]] -; - %C = sub <2 x i8> %A, %B - %D = icmp ne <2 x i8> %C, zeroinitializer - ret <2 x i1> %D -} - -define i32 @test12(i32 %A) { -; CHECK-LABEL: @test12( -; CHECK-NEXT: [[C:%.*]] = lshr i32 [[A:%.*]], 31 -; CHECK-NEXT: ret i32 [[C]] -; - %B = ashr i32 %A, 31 - %C = sub i32 0, %B - ret i32 %C -} - -define i32 @test13(i32 %A) { -; CHECK-LABEL: @test13( -; CHECK-NEXT: [[C:%.*]] = ashr i32 [[A:%.*]], 31 -; CHECK-NEXT: ret i32 [[C]] -; - %B = lshr i32 %A, 31 - %C = sub i32 0, %B - ret i32 %C -} - -define <2 x i32> @test12vec(<2 x i32> %A) { -; CHECK-LABEL: @test12vec( -; CHECK-NEXT: [[C:%.*]] = lshr <2 x i32> [[A:%.*]], <i32 31, i32 31> -; CHECK-NEXT: ret <2 x i32> [[C]] -; - %B = ashr <2 x i32> %A, <i32 31, i32 31> - %C = sub <2 x i32> zeroinitializer, %B - ret <2 x i32> %C -} - -define <2 x i32> @test13vec(<2 x i32> %A) { -; CHECK-LABEL: @test13vec( -; CHECK-NEXT: [[C:%.*]] = ashr <2 x i32> [[A:%.*]], <i32 31, i32 31> -; CHECK-NEXT: ret <2 x i32> [[C]] -; - %B = lshr <2 x i32> %A, <i32 31, i32 31> - %C = sub <2 x i32> zeroinitializer, %B - ret <2 x i32> %C -} - -define i32 @test15(i32 %A, i32 %B) { -; CHECK-LABEL: @test15( -; CHECK-NEXT: [[C:%.*]] = sub i32 0, [[A:%.*]] -; CHECK-NEXT: [[D:%.*]] = srem i32 [[B:%.*]], [[C]] -; CHECK-NEXT: ret i32 [[D]] -; - %C = sub i32 0, %A - %D = srem i32 %B, %C - ret i32 %D -} - -define i32 @test16(i32 %A) { -; CHECK-LABEL: @test16( -; CHECK-NEXT: [[Y:%.*]] = sdiv i32 [[A:%.*]], -1123 -; CHECK-NEXT: ret i32 [[Y]] -; - %X = sdiv i32 %A, 1123 - %Y = sub i32 0, %X - ret i32 %Y -} - -; Can't fold subtract here because negation it might oveflow. -; PR3142 -define i32 @test17(i32 %A) { -; CHECK-LABEL: @test17( -; CHECK-NEXT: [[B:%.*]] = sub i32 0, [[A:%.*]] -; CHECK-NEXT: [[C:%.*]] = sdiv i32 [[B]], 1234 -; CHECK-NEXT: ret i32 [[C]] -; - %B = sub i32 0, %A - %C = sdiv i32 %B, 1234 - ret i32 %C -} - -define i64 @test18(i64 %Y) { -; CHECK-LABEL: @test18( -; CHECK-NEXT: ret i64 0 -; - %tmp.4 = shl i64 %Y, 2 - %tmp.12 = shl i64 %Y, 2 - %tmp.8 = sub i64 %tmp.4, %tmp.12 - ret i64 %tmp.8 -} - -define i1 @test20(i32 %g, i32 %h) { -; CHECK-LABEL: @test20( -; CHECK-NEXT: [[TMP_4:%.*]] = icmp ne i32 [[H:%.*]], 0 -; CHECK-NEXT: ret i1 [[TMP_4]] -; - %tmp.2 = sub i32 %g, %h - %tmp.4 = icmp ne i32 %tmp.2, %g - ret i1 %tmp.4 -} - -define i1 @test21(i32 %g, i32 %h) { -; CHECK-LABEL: @test21( -; CHECK-NEXT: [[TMP_4:%.*]] = icmp ne i32 [[H:%.*]], 0 -; CHECK-NEXT: ret i1 [[TMP_4]] -; - %tmp.2 = sub i32 %g, %h - %tmp.4 = icmp ne i32 %tmp.2, %g - ret i1 %tmp.4 -} - -; PR2298 -define zeroext i1 @test22(i32 %a, i32 %b) nounwind { -; CHECK-LABEL: @test22( -; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i32 [[B:%.*]], [[A:%.*]] -; CHECK-NEXT: ret i1 [[TMP5]] -; - %tmp2 = sub i32 0, %a - %tmp4 = sub i32 0, %b - %tmp5 = icmp eq i32 %tmp2, %tmp4 - ret i1 %tmp5 -} - -; rdar://7362831 -define i32 @test23(i8* %P, i64 %A){ -; CHECK-LABEL: @test23( -; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 [[A:%.*]] to i32 -; CHECK-NEXT: ret i32 [[TMP1]] -; - %B = getelementptr inbounds i8, i8* %P, i64 %A - %C = ptrtoint i8* %B to i64 - %D = trunc i64 %C to i32 - %E = ptrtoint i8* %P to i64 - %F = trunc i64 %E to i32 - %G = sub i32 %D, %F - ret i32 %G -} - -define i8 @test23_as1(i8 addrspace(1)* %P, i16 %A) { -; CHECK-LABEL: @test23_as1( -; CHECK-NEXT: [[TMP1:%.*]] = trunc i16 [[A:%.*]] to i8 -; CHECK-NEXT: ret i8 [[TMP1]] -; - %B = getelementptr inbounds i8, i8 addrspace(1)* %P, i16 %A - %C = ptrtoint i8 addrspace(1)* %B to i16 - %D = trunc i16 %C to i8 - %E = ptrtoint i8 addrspace(1)* %P to i16 - %F = trunc i16 %E to i8 - %G = sub i8 %D, %F - ret i8 %G -} - -define i64 @test24(i8* %P, i64 %A){ -; CHECK-LABEL: @test24( -; CHECK-NEXT: ret i64 [[A:%.*]] -; - %B = getelementptr inbounds i8, i8* %P, i64 %A - %C = ptrtoint i8* %B to i64 - %E = ptrtoint i8* %P to i64 - %G = sub i64 %C, %E - ret i64 %G -} - -define i16 @test24_as1(i8 addrspace(1)* %P, i16 %A) { -; CHECK-LABEL: @test24_as1( -; CHECK-NEXT: ret i16 [[A:%.*]] -; - %B = getelementptr inbounds i8, i8 addrspace(1)* %P, i16 %A - %C = ptrtoint i8 addrspace(1)* %B to i16 - %E = ptrtoint i8 addrspace(1)* %P to i16 - %G = sub i16 %C, %E - ret i16 %G -} - -define i64 @test24a(i8* %P, i64 %A){ -; CHECK-LABEL: @test24a( -; CHECK-NEXT: [[DIFF_NEG:%.*]] = sub i64 0, [[A:%.*]] -; CHECK-NEXT: ret i64 [[DIFF_NEG]] -; - %B = getelementptr inbounds i8, i8* %P, i64 %A - %C = ptrtoint i8* %B to i64 - %E = ptrtoint i8* %P to i64 - %G = sub i64 %E, %C - ret i64 %G -} - -define i16 @test24a_as1(i8 addrspace(1)* %P, i16 %A) { -; CHECK-LABEL: @test24a_as1( -; CHECK-NEXT: [[DIFF_NEG:%.*]] = sub i16 0, [[A:%.*]] -; CHECK-NEXT: ret i16 [[DIFF_NEG]] -; - %B = getelementptr inbounds i8, i8 addrspace(1)* %P, i16 %A - %C = ptrtoint i8 addrspace(1)* %B to i16 - %E = ptrtoint i8 addrspace(1)* %P to i16 - %G = sub i16 %E, %C - ret i16 %G -} - - -@Arr = external global [42 x i16] - -define i64 @test24b(i8* %P, i64 %A){ -; CHECK-LABEL: @test24b( -; CHECK-NEXT: [[B_IDX:%.*]] = shl nuw i64 [[A:%.*]], 1 -; CHECK-NEXT: ret i64 [[B_IDX]] -; - %B = getelementptr inbounds [42 x i16], [42 x i16]* @Arr, i64 0, i64 %A - %C = ptrtoint i16* %B to i64 - %G = sub i64 %C, ptrtoint ([42 x i16]* @Arr to i64) - ret i64 %G -} - - -define i64 @test25(i8* %P, i64 %A){ -; CHECK-LABEL: @test25( -; CHECK-NEXT: [[B_IDX:%.*]] = shl nuw i64 [[A:%.*]], 1 -; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[B_IDX]], -84 -; CHECK-NEXT: ret i64 [[TMP1]] -; - %B = getelementptr inbounds [42 x i16], [42 x i16]* @Arr, i64 0, i64 %A - %C = ptrtoint i16* %B to i64 - %G = sub i64 %C, ptrtoint (i16* getelementptr ([42 x i16], [42 x i16]* @Arr, i64 1, i64 0) to i64) - ret i64 %G -} - -@Arr_as1 = external addrspace(1) global [42 x i16] - -define i16 @test25_as1(i8 addrspace(1)* %P, i64 %A) { -; CHECK-LABEL: @test25_as1( -; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 [[A:%.*]] to i16 -; CHECK-NEXT: [[B_IDX:%.*]] = shl nuw i16 [[TMP1]], 1 -; CHECK-NEXT: [[TMP2:%.*]] = add i16 [[B_IDX]], -84 -; CHECK-NEXT: ret i16 [[TMP2]] -; - %B = getelementptr inbounds [42 x i16], [42 x i16] addrspace(1)* @Arr_as1, i64 0, i64 %A - %C = ptrtoint i16 addrspace(1)* %B to i16 - %G = sub i16 %C, ptrtoint (i16 addrspace(1)* getelementptr ([42 x i16], [42 x i16] addrspace(1)* @Arr_as1, i64 1, i64 0) to i16) - ret i16 %G -} - -define i32 @test26(i32 %x) { -; CHECK-LABEL: @test26( -; CHECK-NEXT: [[NEG:%.*]] = shl i32 -3, [[X:%.*]] -; CHECK-NEXT: ret i32 [[NEG]] -; - %shl = shl i32 3, %x - %neg = sub i32 0, %shl - ret i32 %neg -} - -define i32 @test27(i32 %x, i32 %y) { -; CHECK-LABEL: @test27( -; CHECK-NEXT: [[TMP1:%.*]] = shl i32 [[Y:%.*]], 3 -; CHECK-NEXT: [[SUB:%.*]] = add i32 [[TMP1]], [[X:%.*]] -; CHECK-NEXT: ret i32 [[SUB]] -; - %mul = mul i32 %y, -8 - %sub = sub i32 %x, %mul - ret i32 %sub -} - -define <2 x i32> @test27vec(<2 x i32> %x, <2 x i32> %y) { -; CHECK-LABEL: @test27vec( -; CHECK-NEXT: [[TMP1:%.*]] = mul <2 x i32> [[Y:%.*]], <i32 8, i32 6> -; CHECK-NEXT: [[SUB:%.*]] = add <2 x i32> [[TMP1]], [[X:%.*]] -; CHECK-NEXT: ret <2 x i32> [[SUB]] -; - %mul = mul <2 x i32> %y, <i32 -8, i32 -6> - %sub = sub <2 x i32> %x, %mul - ret <2 x i32> %sub -} - -define <2 x i32> @test27vecsplat(<2 x i32> %x, <2 x i32> %y) { -; CHECK-LABEL: @test27vecsplat( -; CHECK-NEXT: [[TMP1:%.*]] = shl <2 x i32> [[Y:%.*]], <i32 3, i32 3> -; CHECK-NEXT: [[SUB:%.*]] = add <2 x i32> [[TMP1]], [[X:%.*]] -; CHECK-NEXT: ret <2 x i32> [[SUB]] -; - %mul = mul <2 x i32> %y, <i32 -8, i32 -8> - %sub = sub <2 x i32> %x, %mul - ret <2 x i32> %sub -} - -define <2 x i32> @test27vecmixed(<2 x i32> %x, <2 x i32> %y) { -; CHECK-LABEL: @test27vecmixed( -; CHECK-NEXT: [[TMP1:%.*]] = mul <2 x i32> [[Y:%.*]], <i32 8, i32 -8> -; CHECK-NEXT: [[SUB:%.*]] = add <2 x i32> [[TMP1]], [[X:%.*]] -; CHECK-NEXT: ret <2 x i32> [[SUB]] -; - %mul = mul <2 x i32> %y, <i32 -8, i32 8> - %sub = sub <2 x i32> %x, %mul - ret <2 x i32> %sub -} - -define i32 @test27commuted(i32 %x, i32 %y) { -; CHECK-LABEL: @test27commuted( -; CHECK-NEXT: [[TMP1:%.*]] = shl i32 [[Y:%.*]], 3 -; CHECK-NEXT: [[SUB:%.*]] = add i32 [[TMP1]], [[X:%.*]] -; CHECK-NEXT: ret i32 [[SUB]] -; - %mul = mul i32 -8, %y - %sub = sub i32 %x, %mul - ret i32 %sub -} - -define <2 x i32> @test27commutedvec(<2 x i32> %x, <2 x i32> %y) { -; CHECK-LABEL: @test27commutedvec( -; CHECK-NEXT: [[TMP1:%.*]] = mul <2 x i32> [[Y:%.*]], <i32 8, i32 6> -; CHECK-NEXT: [[SUB:%.*]] = add <2 x i32> [[TMP1]], [[X:%.*]] -; CHECK-NEXT: ret <2 x i32> [[SUB]] -; - %mul = mul <2 x i32> <i32 -8, i32 -6>, %y - %sub = sub <2 x i32> %x, %mul - ret <2 x i32> %sub -} - -define <2 x i32> @test27commutedvecsplat(<2 x i32> %x, <2 x i32> %y) { -; CHECK-LABEL: @test27commutedvecsplat( -; CHECK-NEXT: [[TMP1:%.*]] = shl <2 x i32> [[Y:%.*]], <i32 3, i32 3> -; CHECK-NEXT: [[SUB:%.*]] = add <2 x i32> [[TMP1]], [[X:%.*]] -; CHECK-NEXT: ret <2 x i32> [[SUB]] -; - %mul = mul <2 x i32> <i32 -8, i32 -8>, %y - %sub = sub <2 x i32> %x, %mul - ret <2 x i32> %sub -} - -define <2 x i32> @test27commutedvecmixed(<2 x i32> %x, <2 x i32> %y) { -; CHECK-LABEL: @test27commutedvecmixed( -; CHECK-NEXT: [[TMP1:%.*]] = mul <2 x i32> [[Y:%.*]], <i32 8, i32 -8> -; CHECK-NEXT: [[SUB:%.*]] = add <2 x i32> [[TMP1]], [[X:%.*]] -; CHECK-NEXT: ret <2 x i32> [[SUB]] -; - %mul = mul <2 x i32> <i32 -8, i32 8>, %y - %sub = sub <2 x i32> %x, %mul - ret <2 x i32> %sub -} - -define i32 @test28(i32 %x, i32 %y, i32 %z) { -; CHECK-LABEL: @test28( -; CHECK-NEXT: [[TMP1:%.*]] = mul i32 [[Z:%.*]], [[Y:%.*]] -; CHECK-NEXT: [[SUB:%.*]] = add i32 [[TMP1]], [[X:%.*]] -; CHECK-NEXT: ret i32 [[SUB]] -; - %neg = sub i32 0, %z - %mul = mul i32 %neg, %y - %sub = sub i32 %x, %mul - ret i32 %sub -} - -define i32 @test28commuted(i32 %x, i32 %y, i32 %z) { -; CHECK-LABEL: @test28commuted( -; CHECK-NEXT: [[TMP1:%.*]] = mul i32 [[Z:%.*]], [[Y:%.*]] -; CHECK-NEXT: [[SUB:%.*]] = add i32 [[TMP1]], [[X:%.*]] -; CHECK-NEXT: ret i32 [[SUB]] -; - %neg = sub i32 0, %z - %mul = mul i32 %y, %neg - %sub = sub i32 %x, %mul - ret i32 %sub -} - -define i64 @test29(i8* %foo, i64 %i, i64 %j) { -; CHECK-LABEL: @test29( -; CHECK-NEXT: [[TMP1:%.*]] = sub i64 [[I:%.*]], [[J:%.*]] -; CHECK-NEXT: ret i64 [[TMP1]] -; - %gep1 = getelementptr inbounds i8, i8* %foo, i64 %i - %gep2 = getelementptr inbounds i8, i8* %foo, i64 %j - %cast1 = ptrtoint i8* %gep1 to i64 - %cast2 = ptrtoint i8* %gep2 to i64 - %sub = sub i64 %cast1, %cast2 - ret i64 %sub -} - -define i64 @test30(i8* %foo, i64 %i, i64 %j) { -; CHECK-LABEL: @test30( -; CHECK-NEXT: [[GEP1_IDX:%.*]] = shl nuw i64 [[I:%.*]], 2 -; CHECK-NEXT: [[TMP1:%.*]] = sub i64 [[GEP1_IDX]], [[J:%.*]] -; CHECK-NEXT: ret i64 [[TMP1]] -; - %bit = bitcast i8* %foo to i32* - %gep1 = getelementptr inbounds i32, i32* %bit, i64 %i - %gep2 = getelementptr inbounds i8, i8* %foo, i64 %j - %cast1 = ptrtoint i32* %gep1 to i64 - %cast2 = ptrtoint i8* %gep2 to i64 - %sub = sub i64 %cast1, %cast2 - ret i64 %sub -} - -define i16 @test30_as1(i8 addrspace(1)* %foo, i16 %i, i16 %j) { -; CHECK-LABEL: @test30_as1( -; CHECK-NEXT: [[GEP1_IDX:%.*]] = shl nuw i16 [[I:%.*]], 2 -; CHECK-NEXT: [[TMP1:%.*]] = sub i16 [[GEP1_IDX]], [[J:%.*]] -; CHECK-NEXT: ret i16 [[TMP1]] -; - %bit = bitcast i8 addrspace(1)* %foo to i32 addrspace(1)* - %gep1 = getelementptr inbounds i32, i32 addrspace(1)* %bit, i16 %i - %gep2 = getelementptr inbounds i8, i8 addrspace(1)* %foo, i16 %j - %cast1 = ptrtoint i32 addrspace(1)* %gep1 to i16 - %cast2 = ptrtoint i8 addrspace(1)* %gep2 to i16 - %sub = sub i16 %cast1, %cast2 - ret i16 %sub -} - -define <2 x i64> @test31(<2 x i64> %A) { -; CHECK-LABEL: @test31( -; CHECK-NEXT: [[SUB:%.*]] = add <2 x i64> [[A:%.*]], <i64 3, i64 4> -; CHECK-NEXT: ret <2 x i64> [[SUB]] -; - %xor = xor <2 x i64> %A, <i64 -1, i64 -1> - %sub = sub <2 x i64> <i64 2, i64 3>, %xor - ret <2 x i64> %sub -} - -define <2 x i64> @test32(<2 x i64> %A) { -; CHECK-LABEL: @test32( -; CHECK-NEXT: [[SUB:%.*]] = sub <2 x i64> <i64 3, i64 4>, [[A:%.*]] -; CHECK-NEXT: ret <2 x i64> [[SUB]] -; - %add = add <2 x i64> %A, <i64 -1, i64 -1> - %sub = sub <2 x i64> <i64 2, i64 3>, %add - ret <2 x i64> %sub -} - -define <2 x i64> @test35(<2 x i64> %A) { -; CHECK-LABEL: @test35( -; CHECK-NEXT: [[SUB:%.*]] = mul <2 x i64> [[A:%.*]], <i64 -2, i64 -3> -; CHECK-NEXT: ret <2 x i64> [[SUB]] -; - %mul = mul <2 x i64> %A, <i64 3, i64 4> - %sub = sub <2 x i64> %A, %mul - ret <2 x i64> %sub -} - -define <2 x i64> @test36(<2 x i64> %A) { -; CHECK-LABEL: @test36( -; CHECK-NEXT: [[SUB:%.*]] = mul <2 x i64> [[A:%.*]], <i64 7, i64 15> -; CHECK-NEXT: ret <2 x i64> [[SUB]] -; - %shl = shl <2 x i64> %A, <i64 3, i64 4> - %sub = sub <2 x i64> %shl, %A - ret <2 x i64> %sub -} - -define <2 x i32> @test37(<2 x i32> %A) { -; CHECK-LABEL: @test37( -; CHECK-NEXT: [[TMP1:%.*]] = icmp eq <2 x i32> [[A:%.*]], <i32 -2147483648, i32 -2147483648> -; CHECK-NEXT: [[SUB:%.*]] = sext <2 x i1> [[TMP1]] to <2 x i32> -; CHECK-NEXT: ret <2 x i32> [[SUB]] -; - %div = sdiv <2 x i32> %A, <i32 -2147483648, i32 -2147483648> - %sub = sub nsw <2 x i32> zeroinitializer, %div - ret <2 x i32> %sub -} - -define i32 @test38(i32 %A) { -; CHECK-LABEL: @test38( -; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i32 [[A:%.*]], -2147483648 -; CHECK-NEXT: [[SUB:%.*]] = sext i1 [[TMP1]] to i32 -; CHECK-NEXT: ret i32 [[SUB]] -; - %div = sdiv i32 %A, -2147483648 - %sub = sub nsw i32 0, %div - ret i32 %sub -} - -define i16 @test40(i16 %a, i16 %b) { -; CHECK-LABEL: @test40( -; CHECK-NEXT: [[ASHR:%.*]] = ashr i16 [[A:%.*]], 1 -; CHECK-NEXT: [[ASHR1:%.*]] = ashr i16 [[B:%.*]], 1 -; CHECK-NEXT: [[SUB:%.*]] = sub nsw i16 [[ASHR]], [[ASHR1]] -; CHECK-NEXT: ret i16 [[SUB]] -; - %ashr = ashr i16 %a, 1 - %ashr1 = ashr i16 %b, 1 - %sub = sub i16 %ashr, %ashr1 - ret i16 %sub -} - -define i32 @test41(i16 %a, i16 %b) { -; CHECK-LABEL: @test41( -; CHECK-NEXT: [[CONV:%.*]] = sext i16 [[A:%.*]] to i32 -; CHECK-NEXT: [[CONV1:%.*]] = sext i16 [[B:%.*]] to i32 -; CHECK-NEXT: [[SUB:%.*]] = sub nsw i32 [[CONV]], [[CONV1]] -; CHECK-NEXT: ret i32 [[SUB]] -; - %conv = sext i16 %a to i32 - %conv1 = sext i16 %b to i32 - %sub = sub i32 %conv, %conv1 - ret i32 %sub -} - -define i4 @test42(i4 %x, i4 %y) { -; CHECK-LABEL: @test42( -; CHECK-NEXT: [[A:%.*]] = and i4 [[Y:%.*]], 7 -; CHECK-NEXT: [[B:%.*]] = and i4 [[X:%.*]], 7 -; CHECK-NEXT: [[C:%.*]] = sub nsw i4 [[A]], [[B]] -; CHECK-NEXT: ret i4 [[C]] -; - %a = and i4 %y, 7 - %b = and i4 %x, 7 - %c = sub i4 %a, %b - ret i4 %c -} - -define i4 @test43(i4 %x, i4 %y) { -; CHECK-LABEL: @test43( -; CHECK-NEXT: [[A:%.*]] = or i4 [[X:%.*]], -8 -; CHECK-NEXT: [[B:%.*]] = and i4 [[Y:%.*]], 7 -; CHECK-NEXT: [[C:%.*]] = sub nuw i4 [[A]], [[B]] -; CHECK-NEXT: ret i4 [[C]] -; - %a = or i4 %x, -8 - %b = and i4 %y, 7 - %c = sub i4 %a, %b - ret i4 %c -} - -define i32 @test44(i32 %x) { -; CHECK-LABEL: @test44( -; CHECK-NEXT: [[SUB:%.*]] = add nsw i32 [[X:%.*]], -32768 -; CHECK-NEXT: ret i32 [[SUB]] -; - %sub = sub nsw i32 %x, 32768 - ret i32 %sub -} - -define i32 @test45(i32 %x, i32 %y) { -; CHECK-LABEL: @test45( -; CHECK-NEXT: [[SUB:%.*]] = and i32 [[X:%.*]], [[Y:%.*]] -; CHECK-NEXT: ret i32 [[SUB]] -; - %or = or i32 %x, %y - %xor = xor i32 %x, %y - %sub = sub i32 %or, %xor - ret i32 %sub -} - -define i32 @test45commuted(i32 %x, i32 %y) { -; CHECK-LABEL: @test45commuted( -; CHECK-NEXT: [[SUB:%.*]] = and i32 [[Y:%.*]], [[X:%.*]] -; CHECK-NEXT: ret i32 [[SUB]] -; - %or = or i32 %x, %y - %xor = xor i32 %y, %x - %sub = sub i32 %or, %xor - ret i32 %sub -} - -define i32 @test46(i32 %x, i32 %y) { -; CHECK-LABEL: @test46( -; CHECK-NEXT: [[X_NOT:%.*]] = xor i32 [[X:%.*]], -1 -; CHECK-NEXT: [[SUB:%.*]] = and i32 [[X_NOT]], [[Y:%.*]] -; CHECK-NEXT: ret i32 [[SUB]] -; - %or = or i32 %x, %y - %sub = sub i32 %or, %x - ret i32 %sub -} - -define i32 @test46commuted(i32 %x, i32 %y) { -; CHECK-LABEL: @test46commuted( -; CHECK-NEXT: [[X_NOT:%.*]] = xor i32 [[X:%.*]], -1 -; CHECK-NEXT: [[SUB:%.*]] = and i32 [[X_NOT]], [[Y:%.*]] -; CHECK-NEXT: ret i32 [[SUB]] -; - %or = or i32 %y, %x - %sub = sub i32 %or, %x - ret i32 %sub -} - -define i32 @test47(i1 %A, i32 %B, i32 %C, i32 %D) { -; CHECK-LABEL: @test47( -; CHECK-NEXT: [[TMP1:%.*]] = sub i32 [[D:%.*]], [[C:%.*]] -; CHECK-NEXT: [[SUB:%.*]] = select i1 [[A:%.*]], i32 [[TMP1]], i32 0 -; CHECK-NEXT: ret i32 [[SUB]] -; - %sel0 = select i1 %A, i32 %D, i32 %B - %sel1 = select i1 %A, i32 %C, i32 %B - %sub = sub i32 %sel0, %sel1 - ret i32 %sub -} - -define i32 @test48(i1 %A, i32 %B, i32 %C, i32 %D) { -; CHECK-LABEL: @test48( -; CHECK-NEXT: [[TMP1:%.*]] = sub i32 [[D:%.*]], [[C:%.*]] -; CHECK-NEXT: [[SUB:%.*]] = select i1 [[A:%.*]], i32 0, i32 [[TMP1]] -; CHECK-NEXT: ret i32 [[SUB]] -; - %sel0 = select i1 %A, i32 %B, i32 %D - %sel1 = select i1 %A, i32 %B, i32 %C - %sub = sub i32 %sel0, %sel1 - ret i32 %sub -} - -define i32 @test49(i32 %X) { -; CHECK-LABEL: @test49( -; CHECK-NEXT: [[SUB:%.*]] = sub i32 1, [[X:%.*]] -; CHECK-NEXT: [[RES:%.*]] = and i32 [[SUB]], 64 -; CHECK-NEXT: ret i32 [[RES]] -; - %sub = sub i32 129, %X - %res = and i32 %sub, 64 - ret i32 %res -} - -define i32 @test50(i32 %X) { -; CHECK-LABEL: @test50( -; CHECK-NEXT: [[SUB:%.*]] = sub i32 1, [[X:%.*]] -; CHECK-NEXT: [[RES:%.*]] = and i32 [[SUB]], 127 -; CHECK-NEXT: ret i32 [[RES]] -; - %sub = sub i32 129, %X - %res = and i32 %sub, 127 - ret i32 %res -} - -define i32 @test51(i32 %X) { -; CHECK-LABEL: @test51( -; CHECK-NEXT: [[SUB:%.*]] = sub i32 126, [[X:%.*]] -; CHECK-NEXT: [[RES:%.*]] = and i32 [[SUB]], 64 -; CHECK-NEXT: ret i32 [[RES]] -; - %sub = sub i32 254, %X - %res = and i32 %sub, 64 - ret i32 %res -} - -define i32 @test52(i32 %X) { -; CHECK-LABEL: @test52( -; CHECK-NEXT: [[SUB:%.*]] = sub i32 126, [[X:%.*]] -; CHECK-NEXT: [[RES:%.*]] = and i32 [[SUB]], 127 -; CHECK-NEXT: ret i32 [[RES]] -; - %sub = sub i32 254, %X - %res = and i32 %sub, 127 - ret i32 %res -} - -define <2 x i1> @test53(<2 x i1> %A, <2 x i1> %B) { -; CHECK-LABEL: @test53( -; CHECK-NEXT: [[SUB:%.*]] = xor <2 x i1> [[A:%.*]], [[B:%.*]] -; CHECK-NEXT: ret <2 x i1> [[SUB]] -; - %sub = sub <2 x i1> %A, %B - ret <2 x i1> %sub -} - -define i32 @test54(i1 %C) { -; CHECK-LABEL: @test54( -; CHECK-NEXT: [[V:%.*]] = select i1 [[C:%.*]], i32 -877, i32 113 -; CHECK-NEXT: ret i32 [[V]] -; - %A = select i1 %C, i32 1000, i32 10 - %V = sub i32 123, %A - ret i32 %V -} - -define <2 x i32> @test54vec(i1 %C) { -; CHECK-LABEL: @test54vec( -; CHECK-NEXT: [[V:%.*]] = select i1 [[C:%.*]], <2 x i32> <i32 -877, i32 -877>, <2 x i32> <i32 113, i32 113> -; CHECK-NEXT: ret <2 x i32> [[V]] -; - %A = select i1 %C, <2 x i32> <i32 1000, i32 1000>, <2 x i32> <i32 10, i32 10> - %V = sub <2 x i32> <i32 123, i32 123>, %A - ret <2 x i32> %V -} - -define <2 x i32> @test54vec2(i1 %C) { -; CHECK-LABEL: @test54vec2( -; CHECK-NEXT: [[V:%.*]] = select i1 [[C:%.*]], <2 x i32> <i32 -877, i32 -2167>, <2 x i32> <i32 113, i32 303> -; CHECK-NEXT: ret <2 x i32> [[V]] -; - %A = select i1 %C, <2 x i32> <i32 1000, i32 2500>, <2 x i32> <i32 10, i32 30> - %V = sub <2 x i32> <i32 123, i32 333>, %A - ret <2 x i32> %V -} - -define i32 @test55(i1 %which) { -; CHECK-LABEL: @test55( -; CHECK-NEXT: entry: -; CHECK-NEXT: br i1 [[WHICH:%.*]], label [[FINAL:%.*]], label [[DELAY:%.*]] -; CHECK: delay: -; CHECK-NEXT: br label [[FINAL]] -; CHECK: final: -; CHECK-NEXT: [[A:%.*]] = phi i32 [ -877, [[ENTRY:%.*]] ], [ 113, [[DELAY]] ] -; CHECK-NEXT: ret i32 [[A]] -; -entry: - br i1 %which, label %final, label %delay - -delay: - br label %final - -final: - %A = phi i32 [ 1000, %entry ], [ 10, %delay ] - %value = sub i32 123, %A - ret i32 %value -} - -define <2 x i32> @test55vec(i1 %which) { -; CHECK-LABEL: @test55vec( -; CHECK-NEXT: entry: -; CHECK-NEXT: br i1 [[WHICH:%.*]], label [[FINAL:%.*]], label [[DELAY:%.*]] -; CHECK: delay: -; CHECK-NEXT: br label [[FINAL]] -; CHECK: final: -; CHECK-NEXT: [[A:%.*]] = phi <2 x i32> [ <i32 -877, i32 -877>, [[ENTRY:%.*]] ], [ <i32 113, i32 113>, [[DELAY]] ] -; CHECK-NEXT: ret <2 x i32> [[A]] -; -entry: - br i1 %which, label %final, label %delay - -delay: - br label %final - -final: - %A = phi <2 x i32> [ <i32 1000, i32 1000>, %entry ], [ <i32 10, i32 10>, %delay ] - %value = sub <2 x i32> <i32 123, i32 123>, %A - ret <2 x i32> %value -} - -define <2 x i32> @test55vec2(i1 %which) { -; CHECK-LABEL: @test55vec2( -; CHECK-NEXT: entry: -; CHECK-NEXT: br i1 [[WHICH:%.*]], label [[FINAL:%.*]], label [[DELAY:%.*]] -; CHECK: delay: -; CHECK-NEXT: br label [[FINAL]] -; CHECK: final: -; CHECK-NEXT: [[A:%.*]] = phi <2 x i32> [ <i32 -877, i32 -2167>, [[ENTRY:%.*]] ], [ <i32 113, i32 303>, [[DELAY]] ] -; CHECK-NEXT: ret <2 x i32> [[A]] -; -entry: - br i1 %which, label %final, label %delay - -delay: - br label %final - -final: - %A = phi <2 x i32> [ <i32 1000, i32 2500>, %entry ], [ <i32 10, i32 30>, %delay ] - %value = sub <2 x i32> <i32 123, i32 333>, %A - ret <2 x i32> %value -} - -define i32 @test56(i32 %A, i32 %B) { -; CHECK-LABEL: @test56( -; CHECK-NEXT: [[Y:%.*]] = sub i32 0, [[B:%.*]] -; CHECK-NEXT: ret i32 [[Y]] -; - %X = add i32 %A, %B - %Y = sub i32 %A, %X - ret i32 %Y -} - -define i32 @test57(i32 %A, i32 %B) { -; CHECK-LABEL: @test57( -; CHECK-NEXT: [[Y:%.*]] = sub i32 0, [[B:%.*]] -; CHECK-NEXT: ret i32 [[Y]] -; - %X = add i32 %B, %A - %Y = sub i32 %A, %X - ret i32 %Y -} - -@dummy_global1 = external global i8* -@dummy_global2 = external global i8* - -define i64 @test58([100 x [100 x i8]]* %foo, i64 %i, i64 %j) { -; Note the reassociate pass and another instcombine pass will further optimize this to -; "%sub = i64 %i, %j, ret i64 %sub" -; gep1 and gep2 have only one use -; CHECK-LABEL: @test58( -; CHECK-NEXT: [[GEP2_OFFS:%.*]] = add i64 [[J:%.*]], 4200 -; CHECK-NEXT: [[GEP1_OFFS:%.*]] = add i64 [[I:%.*]], 4200 -; CHECK-NEXT: [[TMP1:%.*]] = sub i64 [[GEP1_OFFS]], [[GEP2_OFFS]] -; CHECK-NEXT: ret i64 [[TMP1]] -; - %gep1 = getelementptr inbounds [100 x [100 x i8]], [100 x [100 x i8]]* %foo, i64 0, i64 42, i64 %i - %gep2 = getelementptr inbounds [100 x [100 x i8]], [100 x [100 x i8]]* %foo, i64 0, i64 42, i64 %j - %cast1 = ptrtoint i8* %gep1 to i64 - %cast2 = ptrtoint i8* %gep2 to i64 - %sub = sub i64 %cast1, %cast2 - ret i64 %sub -} - -define i64 @test59([100 x [100 x i8]]* %foo, i64 %i) { -; CHECK-LABEL: @test59( -; CHECK-NEXT: [[GEP1:%.*]] = getelementptr inbounds [100 x [100 x i8]], [100 x [100 x i8]]* [[FOO:%.*]], i64 0, i64 42, i64 [[I:%.*]] -; CHECK-NEXT: [[GEP2:%.*]] = getelementptr inbounds [100 x [100 x i8]], [100 x [100 x i8]]* [[FOO]], i64 0, i64 42, i64 0 -; CHECK-NEXT: store i8* [[GEP1]], i8** @dummy_global1, align 8 -; CHECK-NEXT: store i8* [[GEP2]], i8** @dummy_global2, align 8 -; CHECK-NEXT: ret i64 [[I]] -; -; gep1 and gep2 have more than one uses - %gep1 = getelementptr inbounds [100 x [100 x i8]], [100 x [100 x i8]]* %foo, i64 0, i64 42, i64 %i - %gep2 = getelementptr inbounds [100 x [100 x i8]], [100 x [100 x i8]]* %foo, i64 0, i64 42, i64 0 - %cast1 = ptrtoint i8* %gep1 to i64 - %cast2 = ptrtoint i8* %gep2 to i64 - %sub = sub i64 %cast1, %cast2 - store i8* %gep1, i8** @dummy_global1 - store i8* %gep2, i8** @dummy_global2 - ret i64 %sub -} - -define i64 @test60([100 x [100 x i8]]* %foo, i64 %i, i64 %j) { -; CHECK-LABEL: @test60( -; CHECK-NEXT: [[GEP1:%.*]] = getelementptr inbounds [100 x [100 x i8]], [100 x [100 x i8]]* [[FOO:%.*]], i64 0, i64 [[J:%.*]], i64 [[I:%.*]] -; CHECK-NEXT: [[GEP2:%.*]] = getelementptr inbounds [100 x [100 x i8]], [100 x [100 x i8]]* [[FOO]], i64 0, i64 42, i64 0 -; CHECK-NEXT: [[CAST1:%.*]] = ptrtoint i8* [[GEP1]] to i64 -; CHECK-NEXT: [[CAST2:%.*]] = ptrtoint i8* [[GEP2]] to i64 -; CHECK-NEXT: [[SUB:%.*]] = sub i64 [[CAST1]], [[CAST2]] -; CHECK-NEXT: store i8* [[GEP1]], i8** @dummy_global1, align 8 -; CHECK-NEXT: ret i64 [[SUB]] -; -; gep1 has a non-constant index and more than one uses. Shouldn't duplicate the arithmetic. - %gep1 = getelementptr inbounds [100 x [100 x i8]], [100 x [100 x i8]]* %foo, i64 0, i64 %j, i64 %i - %gep2 = getelementptr inbounds [100 x [100 x i8]], [100 x [100 x i8]]* %foo, i64 0, i64 42, i64 0 - %cast1 = ptrtoint i8* %gep1 to i64 - %cast2 = ptrtoint i8* %gep2 to i64 - %sub = sub i64 %cast1, %cast2 - store i8* %gep1, i8** @dummy_global1 - ret i64 %sub -} - -define i64 @test61([100 x [100 x i8]]* %foo, i64 %i, i64 %j) { -; CHECK-LABEL: @test61( -; CHECK-NEXT: [[GEP1:%.*]] = getelementptr inbounds [100 x [100 x i8]], [100 x [100 x i8]]* [[FOO:%.*]], i64 0, i64 42, i64 0 -; CHECK-NEXT: [[GEP2:%.*]] = getelementptr inbounds [100 x [100 x i8]], [100 x [100 x i8]]* [[FOO]], i64 0, i64 [[J:%.*]], i64 [[I:%.*]] -; CHECK-NEXT: [[CAST1:%.*]] = ptrtoint i8* [[GEP1]] to i64 -; CHECK-NEXT: [[CAST2:%.*]] = ptrtoint i8* [[GEP2]] to i64 -; CHECK-NEXT: [[SUB:%.*]] = sub i64 [[CAST1]], [[CAST2]] -; CHECK-NEXT: store i8* [[GEP2]], i8** @dummy_global2, align 8 -; CHECK-NEXT: ret i64 [[SUB]] -; -; gep2 has a non-constant index and more than one uses. Shouldn't duplicate the arithmetic. - %gep1 = getelementptr inbounds [100 x [100 x i8]], [100 x [100 x i8]]* %foo, i64 0, i64 42, i64 0 - %gep2 = getelementptr inbounds [100 x [100 x i8]], [100 x [100 x i8]]* %foo, i64 0, i64 %j, i64 %i - %cast1 = ptrtoint i8* %gep1 to i64 - %cast2 = ptrtoint i8* %gep2 to i64 - %sub = sub i64 %cast1, %cast2 - store i8* %gep2, i8** @dummy_global2 - ret i64 %sub -} - -define i32 @test62(i32 %A) { -; CHECK-LABEL: @test62( -; CHECK-NEXT: [[B:%.*]] = shl i32 [[A:%.*]], 1 -; CHECK-NEXT: [[C:%.*]] = sub i32 2, [[B]] -; CHECK-NEXT: ret i32 [[C]] -; - %B = sub i32 1, %A - %C = shl i32 %B, 1 - ret i32 %C -} - -define <2 x i32> @test62vec(<2 x i32> %A) { -; CHECK-LABEL: @test62vec( -; CHECK-NEXT: [[B:%.*]] = shl <2 x i32> [[A:%.*]], <i32 1, i32 1> -; CHECK-NEXT: [[C:%.*]] = sub <2 x i32> <i32 2, i32 2>, [[B]] -; CHECK-NEXT: ret <2 x i32> [[C]] -; - %B = sub <2 x i32> <i32 1, i32 1>, %A - %C = shl <2 x i32> %B, <i32 1, i32 1> - ret <2 x i32> %C -} - -define i32 @test63(i32 %A) { -; CHECK-LABEL: @test63( -; CHECK-NEXT: [[B:%.*]] = shl i32 [[A:%.*]], 1 -; CHECK-NEXT: ret i32 [[B]] -; - %B = sub i32 1, %A - %C = shl i32 %B, 1 - %D = sub i32 2, %C - ret i32 %D -} - -define <2 x i32> @test63vec(<2 x i32> %A) { -; CHECK-LABEL: @test63vec( -; CHECK-NEXT: [[B:%.*]] = shl <2 x i32> [[A:%.*]], <i32 1, i32 1> -; CHECK-NEXT: ret <2 x i32> [[B]] -; - %B = sub <2 x i32> <i32 1, i32 1>, %A - %C = shl <2 x i32> %B, <i32 1, i32 1> - %D = sub <2 x i32> <i32 2, i32 2>, %C - ret <2 x i32> %D -} - -; FIXME: Transform (neg (max ~X, C)) -> ((min X, ~C) + 1). Same for min. -define i32 @test64(i32 %x) { -; CHECK-LABEL: @test64( -; CHECK-NEXT: [[TMP1:%.*]] = icmp slt i32 [[X:%.*]], 255 -; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 [[X]], i32 255 -; CHECK-NEXT: [[RES:%.*]] = add nsw i32 [[TMP2]], 1 -; CHECK-NEXT: ret i32 [[RES]] -; - %1 = xor i32 %x, -1 - %2 = icmp sgt i32 %1, -256 - %3 = select i1 %2, i32 %1, i32 -256 - %res = sub i32 0, %3 - ret i32 %res -} - -define i32 @test65(i32 %x) { -; CHECK-LABEL: @test65( -; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i32 [[X:%.*]], -256 -; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 [[X]], i32 -256 -; CHECK-NEXT: [[RES:%.*]] = add i32 [[TMP2]], 1 -; CHECK-NEXT: ret i32 [[RES]] -; - %1 = xor i32 %x, -1 - %2 = icmp slt i32 %1, 255 - %3 = select i1 %2, i32 %1, i32 255 - %res = sub i32 0, %3 - ret i32 %res -} - -define i32 @test66(i32 %x) { -; CHECK-LABEL: @test66( -; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i32 [[X:%.*]], -101 -; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 [[X]], i32 -101 -; CHECK-NEXT: [[RES:%.*]] = add nuw i32 [[TMP2]], 1 -; CHECK-NEXT: ret i32 [[RES]] -; - %1 = xor i32 %x, -1 - %2 = icmp ugt i32 %1, 100 - %3 = select i1 %2, i32 %1, i32 100 - %res = sub i32 0, %3 - ret i32 %res -} - -define i32 @test67(i32 %x) { -; CHECK-LABEL: @test67( -; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i32 [[X:%.*]], 100 -; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 [[X]], i32 100 -; CHECK-NEXT: [[RES:%.*]] = add i32 [[TMP2]], 1 -; CHECK-NEXT: ret i32 [[RES]] -; - %1 = xor i32 %x, -1 - %2 = icmp ult i32 %1, -101 - %3 = select i1 %2, i32 %1, i32 -101 - %res = sub i32 0, %3 - ret i32 %res -} - -; Check splat vectors too -define <2 x i32> @test68(<2 x i32> %x) { -; CHECK-LABEL: @test68( -; CHECK-NEXT: [[TMP1:%.*]] = icmp slt <2 x i32> [[X:%.*]], <i32 255, i32 255> -; CHECK-NEXT: [[TMP2:%.*]] = select <2 x i1> [[TMP1]], <2 x i32> [[X]], <2 x i32> <i32 255, i32 255> -; CHECK-NEXT: [[RES:%.*]] = add nsw <2 x i32> [[TMP2]], <i32 1, i32 1> -; CHECK-NEXT: ret <2 x i32> [[RES]] -; - %1 = xor <2 x i32> %x, <i32 -1, i32 -1> - %2 = icmp sgt <2 x i32> %1, <i32 -256, i32 -256> - %3 = select <2 x i1> %2, <2 x i32> %1, <2 x i32> <i32 -256, i32 -256> - %res = sub <2 x i32> zeroinitializer, %3 - ret <2 x i32> %res -} - -; And non-splat constant vectors. -define <2 x i32> @test69(<2 x i32> %x) { -; CHECK-LABEL: @test69( -; CHECK-NEXT: [[TMP1:%.*]] = icmp slt <2 x i32> [[X:%.*]], <i32 255, i32 127> -; CHECK-NEXT: [[TMP2:%.*]] = select <2 x i1> [[TMP1]], <2 x i32> [[X]], <2 x i32> <i32 255, i32 127> -; CHECK-NEXT: [[RES:%.*]] = add <2 x i32> [[TMP2]], <i32 1, i32 1> -; CHECK-NEXT: ret <2 x i32> [[RES]] -; - %1 = xor <2 x i32> %x, <i32 -1, i32 -1> - %2 = icmp sgt <2 x i32> %1, <i32 -256, i32 -128> - %3 = select <2 x i1> %2, <2 x i32> %1, <2 x i32> <i32 -256, i32 -128> - %res = sub <2 x i32> zeroinitializer, %3 - ret <2 x i32> %res -} - -define i32 @nsw_inference1(i32 %x, i32 %y) { -; CHECK-LABEL: @nsw_inference1( -; CHECK-NEXT: [[X2:%.*]] = or i32 [[X:%.*]], 1024 -; CHECK-NEXT: [[Y2:%.*]] = and i32 [[Y:%.*]], 1 -; CHECK-NEXT: [[Z:%.*]] = sub nuw nsw i32 [[X2]], [[Y2]] -; CHECK-NEXT: ret i32 [[Z]] -; - %x2 = or i32 %x, 1024 - %y2 = and i32 %y, 1 - %z = sub i32 %x2, %y2 - ret i32 %z -} - -define i32 @nsw_inference2(i32 %x, i32 %y) { -; CHECK-LABEL: @nsw_inference2( -; CHECK-NEXT: [[X2:%.*]] = and i32 [[X:%.*]], -1025 -; CHECK-NEXT: [[Y2:%.*]] = or i32 [[Y:%.*]], -2 -; CHECK-NEXT: [[Z:%.*]] = sub nsw i32 [[X2]], [[Y2]] -; CHECK-NEXT: ret i32 [[Z]] -; - %x2 = and i32 %x, -1025 - %y2 = or i32 %y, -2 - %z = sub i32 %x2, %y2 - ret i32 %z -} |
