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Diffstat (limited to 'llvm/test/Transforms/InstCombine/bitcast.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/bitcast.ll | 563 |
1 files changed, 0 insertions, 563 deletions
diff --git a/llvm/test/Transforms/InstCombine/bitcast.ll b/llvm/test/Transforms/InstCombine/bitcast.ll deleted file mode 100644 index 0f0cbdb364a..00000000000 --- a/llvm/test/Transforms/InstCombine/bitcast.ll +++ /dev/null @@ -1,563 +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-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-n8:16:32:64" -target triple = "x86_64-apple-darwin10.0.0" - -; Bitcasts between vectors and scalars are valid. -; PR4487 -define i32 @test1(i64 %a) { -; CHECK-LABEL: @test1( -; CHECK-NEXT: ret i32 0 -; - %t1 = bitcast i64 %a to <2 x i32> - %t2 = bitcast i64 %a to <2 x i32> - %t3 = xor <2 x i32> %t1, %t2 - %t4 = extractelement <2 x i32> %t3, i32 0 - ret i32 %t4 -} - -; Perform the bitwise logic in the source type of the operands to eliminate bitcasts. - -define <2 x i32> @xor_two_vector_bitcasts(<1 x i64> %a, <1 x i64> %b) { -; CHECK-LABEL: @xor_two_vector_bitcasts( -; CHECK-NEXT: [[T31:%.*]] = xor <1 x i64> [[A:%.*]], [[B:%.*]] -; CHECK-NEXT: [[T3:%.*]] = bitcast <1 x i64> [[T31]] to <2 x i32> -; CHECK-NEXT: ret <2 x i32> [[T3]] -; - %t1 = bitcast <1 x i64> %a to <2 x i32> - %t2 = bitcast <1 x i64> %b to <2 x i32> - %t3 = xor <2 x i32> %t1, %t2 - ret <2 x i32> %t3 -} - -; No change. Bitcasts are canonicalized above bitwise logic. - -define <2 x i32> @xor_bitcast_vec_to_vec(<1 x i64> %a) { -; CHECK-LABEL: @xor_bitcast_vec_to_vec( -; CHECK-NEXT: [[T1:%.*]] = bitcast <1 x i64> [[A:%.*]] to <2 x i32> -; CHECK-NEXT: [[T2:%.*]] = xor <2 x i32> [[T1]], <i32 1, i32 2> -; CHECK-NEXT: ret <2 x i32> [[T2]] -; - %t1 = bitcast <1 x i64> %a to <2 x i32> - %t2 = xor <2 x i32> <i32 1, i32 2>, %t1 - ret <2 x i32> %t2 -} - -; No change. Bitcasts are canonicalized above bitwise logic. - -define i64 @and_bitcast_vec_to_int(<2 x i32> %a) { -; CHECK-LABEL: @and_bitcast_vec_to_int( -; CHECK-NEXT: [[T1:%.*]] = bitcast <2 x i32> [[A:%.*]] to i64 -; CHECK-NEXT: [[T2:%.*]] = and i64 [[T1]], 3 -; CHECK-NEXT: ret i64 [[T2]] -; - %t1 = bitcast <2 x i32> %a to i64 - %t2 = and i64 %t1, 3 - ret i64 %t2 -} - -; No change. Bitcasts are canonicalized above bitwise logic. - -define <2 x i32> @or_bitcast_int_to_vec(i64 %a) { -; CHECK-LABEL: @or_bitcast_int_to_vec( -; CHECK-NEXT: [[T1:%.*]] = bitcast i64 [[A:%.*]] to <2 x i32> -; CHECK-NEXT: [[T2:%.*]] = or <2 x i32> [[T1]], <i32 1, i32 2> -; CHECK-NEXT: ret <2 x i32> [[T2]] -; - %t1 = bitcast i64 %a to <2 x i32> - %t2 = or <2 x i32> %t1, <i32 1, i32 2> - ret <2 x i32> %t2 -} - -; PR26702 - https://bugs.llvm.org//show_bug.cgi?id=26702 -; Bitcast is canonicalized above logic, so we can see the not-not pattern. - -define <2 x i64> @is_negative(<4 x i32> %x) { -; CHECK-LABEL: @is_negative( -; CHECK-NEXT: [[LOBIT:%.*]] = ashr <4 x i32> %x, <i32 31, i32 31, i32 31, i32 31> -; CHECK-NEXT: [[NOTNOT:%.*]] = bitcast <4 x i32> [[LOBIT]] to <2 x i64> -; CHECK-NEXT: ret <2 x i64> [[NOTNOT]] -; - %lobit = ashr <4 x i32> %x, <i32 31, i32 31, i32 31, i32 31> - %not = xor <4 x i32> %lobit, <i32 -1, i32 -1, i32 -1, i32 -1> - %bc = bitcast <4 x i32> %not to <2 x i64> - %notnot = xor <2 x i64> %bc, <i64 -1, i64 -1> - ret <2 x i64> %notnot -} - -; This variation has an extra bitcast at the end. This means that the 2nd xor -; can be done in <4 x i32> to eliminate a bitcast regardless of canonicalizaion. - -define <4 x i32> @is_negative_bonus_bitcast(<4 x i32> %x) { -; CHECK-LABEL: @is_negative_bonus_bitcast( -; CHECK-NEXT: [[LOBIT:%.*]] = ashr <4 x i32> %x, <i32 31, i32 31, i32 31, i32 31> -; CHECK-NEXT: ret <4 x i32> [[LOBIT]] -; - %lobit = ashr <4 x i32> %x, <i32 31, i32 31, i32 31, i32 31> - %not = xor <4 x i32> %lobit, <i32 -1, i32 -1, i32 -1, i32 -1> - %bc = bitcast <4 x i32> %not to <2 x i64> - %notnot = xor <2 x i64> %bc, <i64 -1, i64 -1> - %bc2 = bitcast <2 x i64> %notnot to <4 x i32> - ret <4 x i32> %bc2 -} - -; Bitcasts are canonicalized above bitwise logic. - -define <2 x i8> @canonicalize_bitcast_logic_with_constant(<4 x i4> %x) { -; CHECK-LABEL: @canonicalize_bitcast_logic_with_constant( -; CHECK-NEXT: [[TMP1:%.*]] = bitcast <4 x i4> [[X:%.*]] to <2 x i8> -; CHECK-NEXT: [[B:%.*]] = and <2 x i8> [[TMP1]], <i8 -128, i8 -128> -; CHECK-NEXT: ret <2 x i8> [[B]] -; - %a = and <4 x i4> %x, <i4 0, i4 8, i4 0, i4 8> - %b = bitcast <4 x i4> %a to <2 x i8> - ret <2 x i8> %b -} - -; PR27925 - https://llvm.org/bugs/show_bug.cgi?id=27925 - -define <4 x i32> @bitcasts_and_bitcast(<4 x i32> %a, <8 x i16> %b) { -; CHECK-LABEL: @bitcasts_and_bitcast( -; CHECK-NEXT: [[TMP1:%.*]] = bitcast <8 x i16> [[B:%.*]] to <4 x i32> -; CHECK-NEXT: [[BC3:%.*]] = and <4 x i32> [[TMP1]], [[A:%.*]] -; CHECK-NEXT: ret <4 x i32> [[BC3]] -; - %bc1 = bitcast <4 x i32> %a to <2 x i64> - %bc2 = bitcast <8 x i16> %b to <2 x i64> - %and = and <2 x i64> %bc2, %bc1 - %bc3 = bitcast <2 x i64> %and to <4 x i32> - ret <4 x i32> %bc3 -} - -; The destination must have an integer element type. -; FIXME: We can still eliminate one bitcast in this test by doing the logic op -; in the type of the input that has an integer element type. - -define <4 x float> @bitcasts_and_bitcast_to_fp(<4 x float> %a, <8 x i16> %b) { -; CHECK-LABEL: @bitcasts_and_bitcast_to_fp( -; CHECK-NEXT: [[BC1:%.*]] = bitcast <4 x float> [[A:%.*]] to <2 x i64> -; CHECK-NEXT: [[BC2:%.*]] = bitcast <8 x i16> [[B:%.*]] to <2 x i64> -; CHECK-NEXT: [[AND:%.*]] = and <2 x i64> [[BC2]], [[BC1]] -; CHECK-NEXT: [[BC3:%.*]] = bitcast <2 x i64> [[AND]] to <4 x float> -; CHECK-NEXT: ret <4 x float> [[BC3]] -; - %bc1 = bitcast <4 x float> %a to <2 x i64> - %bc2 = bitcast <8 x i16> %b to <2 x i64> - %and = and <2 x i64> %bc2, %bc1 - %bc3 = bitcast <2 x i64> %and to <4 x float> - ret <4 x float> %bc3 -} - -; FIXME: Transform limited from changing vector op to integer op to avoid codegen problems. - -define i128 @bitcast_or_bitcast(i128 %a, <2 x i64> %b) { -; CHECK-LABEL: @bitcast_or_bitcast( -; CHECK-NEXT: [[BC1:%.*]] = bitcast i128 [[A:%.*]] to <2 x i64> -; CHECK-NEXT: [[OR:%.*]] = or <2 x i64> [[BC1]], [[B:%.*]] -; CHECK-NEXT: [[BC2:%.*]] = bitcast <2 x i64> [[OR]] to i128 -; CHECK-NEXT: ret i128 [[BC2]] -; - %bc1 = bitcast i128 %a to <2 x i64> - %or = or <2 x i64> %b, %bc1 - %bc2 = bitcast <2 x i64> %or to i128 - ret i128 %bc2 -} - -; FIXME: Transform limited from changing integer op to vector op to avoid codegen problems. - -define <4 x i32> @bitcast_xor_bitcast(<4 x i32> %a, i128 %b) { -; CHECK-LABEL: @bitcast_xor_bitcast( -; CHECK-NEXT: [[BC1:%.*]] = bitcast <4 x i32> [[A:%.*]] to i128 -; CHECK-NEXT: [[XOR:%.*]] = xor i128 [[BC1]], [[B:%.*]] -; CHECK-NEXT: [[BC2:%.*]] = bitcast i128 [[XOR]] to <4 x i32> -; CHECK-NEXT: ret <4 x i32> [[BC2]] -; - %bc1 = bitcast <4 x i32> %a to i128 - %xor = xor i128 %bc1, %b - %bc2 = bitcast i128 %xor to <4 x i32> - ret <4 x i32> %bc2 -} - -; https://llvm.org/bugs/show_bug.cgi?id=6137#c6 - -define <4 x float> @bitcast_vector_select(<4 x float> %x, <2 x i64> %y, <4 x i1> %cmp) { -; CHECK-LABEL: @bitcast_vector_select( -; CHECK-NEXT: [[TMP1:%.*]] = bitcast <2 x i64> [[Y:%.*]] to <4 x float> -; CHECK-NEXT: [[T7:%.*]] = select <4 x i1> [[CMP:%.*]], <4 x float> [[X:%.*]], <4 x float> [[TMP1]] -; CHECK-NEXT: ret <4 x float> [[T7]] -; - %t4 = bitcast <4 x float> %x to <4 x i32> - %t5 = bitcast <2 x i64> %y to <4 x i32> - %t6 = select <4 x i1> %cmp, <4 x i32> %t4, <4 x i32> %t5 - %t7 = bitcast <4 x i32> %t6 to <4 x float> - ret <4 x float> %t7 -} - -define float @bitcast_scalar_select_of_scalars(float %x, i32 %y, i1 %cmp) { -; CHECK-LABEL: @bitcast_scalar_select_of_scalars( -; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32 [[Y:%.*]] to float -; CHECK-NEXT: [[T7:%.*]] = select i1 [[CMP:%.*]], float [[X:%.*]], float [[TMP1]] -; CHECK-NEXT: ret float [[T7]] -; - %t4 = bitcast float %x to i32 - %t6 = select i1 %cmp, i32 %t4, i32 %y - %t7 = bitcast i32 %t6 to float - ret float %t7 -} - -; FIXME: We should change the select operand types to scalars, but we need to make -; sure the backend can reverse that transform if needed. - -define float @bitcast_scalar_select_type_mismatch1(float %x, <4 x i8> %y, i1 %cmp) { -; CHECK-LABEL: @bitcast_scalar_select_type_mismatch1( -; CHECK-NEXT: [[T4:%.*]] = bitcast float [[X:%.*]] to <4 x i8> -; CHECK-NEXT: [[T6:%.*]] = select i1 [[CMP:%.*]], <4 x i8> [[T4]], <4 x i8> [[Y:%.*]] -; CHECK-NEXT: [[T7:%.*]] = bitcast <4 x i8> [[T6]] to float -; CHECK-NEXT: ret float [[T7]] -; - %t4 = bitcast float %x to <4 x i8> - %t6 = select i1 %cmp, <4 x i8> %t4, <4 x i8> %y - %t7 = bitcast <4 x i8> %t6 to float - ret float %t7 -} - -; FIXME: We should change the select operand types to vectors, but we need to make -; sure the backend can reverse that transform if needed. - -define <4 x i8> @bitcast_scalar_select_type_mismatch2(<4 x i8> %x, float %y, i1 %cmp) { -; CHECK-LABEL: @bitcast_scalar_select_type_mismatch2( -; CHECK-NEXT: [[T4:%.*]] = bitcast <4 x i8> [[X:%.*]] to float -; CHECK-NEXT: [[T6:%.*]] = select i1 [[CMP:%.*]], float [[T4]], float [[Y:%.*]] -; CHECK-NEXT: [[T7:%.*]] = bitcast float [[T6]] to <4 x i8> -; CHECK-NEXT: ret <4 x i8> [[T7]] -; - %t4 = bitcast <4 x i8> %x to float - %t6 = select i1 %cmp, float %t4, float %y - %t7 = bitcast float %t6 to <4 x i8> - ret <4 x i8> %t7 -} - -define <4 x float> @bitcast_scalar_select_of_vectors(<4 x float> %x, <2 x i64> %y, i1 %cmp) { -; CHECK-LABEL: @bitcast_scalar_select_of_vectors( -; CHECK-NEXT: [[TMP1:%.*]] = bitcast <2 x i64> [[Y:%.*]] to <4 x float> -; CHECK-NEXT: [[T7:%.*]] = select i1 [[CMP:%.*]], <4 x float> [[X:%.*]], <4 x float> [[TMP1]] -; CHECK-NEXT: ret <4 x float> [[T7]] -; - %t4 = bitcast <4 x float> %x to <4 x i32> - %t5 = bitcast <2 x i64> %y to <4 x i32> - %t6 = select i1 %cmp, <4 x i32> %t4, <4 x i32> %t5 - %t7 = bitcast <4 x i32> %t6 to <4 x float> - ret <4 x float> %t7 -} - -; Can't change the type of the vector select if the dest type is scalar. - -define float @bitcast_vector_select_no_fold1(float %x, <2 x i16> %y, <4 x i1> %cmp) { -; CHECK-LABEL: @bitcast_vector_select_no_fold1( -; CHECK-NEXT: [[T4:%.*]] = bitcast float [[X:%.*]] to <4 x i8> -; CHECK-NEXT: [[T5:%.*]] = bitcast <2 x i16> [[Y:%.*]] to <4 x i8> -; CHECK-NEXT: [[T6:%.*]] = select <4 x i1> [[CMP:%.*]], <4 x i8> [[T4]], <4 x i8> [[T5]] -; CHECK-NEXT: [[T7:%.*]] = bitcast <4 x i8> [[T6]] to float -; CHECK-NEXT: ret float [[T7]] -; - %t4 = bitcast float %x to <4 x i8> - %t5 = bitcast <2 x i16> %y to <4 x i8> - %t6 = select <4 x i1> %cmp, <4 x i8> %t4, <4 x i8> %t5 - %t7 = bitcast <4 x i8> %t6 to float - ret float %t7 -} - -; Can't change the type of the vector select if the number of elements in the dest type is not the same. - -define <2 x float> @bitcast_vector_select_no_fold2(<2 x float> %x, <4 x i16> %y, <8 x i1> %cmp) { -; CHECK-LABEL: @bitcast_vector_select_no_fold2( -; CHECK-NEXT: [[T4:%.*]] = bitcast <2 x float> [[X:%.*]] to <8 x i8> -; CHECK-NEXT: [[T5:%.*]] = bitcast <4 x i16> [[Y:%.*]] to <8 x i8> -; CHECK-NEXT: [[T6:%.*]] = select <8 x i1> [[CMP:%.*]], <8 x i8> [[T4]], <8 x i8> [[T5]] -; CHECK-NEXT: [[T7:%.*]] = bitcast <8 x i8> [[T6]] to <2 x float> -; CHECK-NEXT: ret <2 x float> [[T7]] -; - %t4 = bitcast <2 x float> %x to <8 x i8> - %t5 = bitcast <4 x i16> %y to <8 x i8> - %t6 = select <8 x i1> %cmp, <8 x i8> %t4, <8 x i8> %t5 - %t7 = bitcast <8 x i8> %t6 to <2 x float> - ret <2 x float> %t7 -} - -; Optimize bitcasts that are extracting low element of vector. This happens because of SRoA. -; rdar://7892780 -define float @test2(<2 x float> %A, <2 x i32> %B) { -; CHECK-LABEL: @test2( -; CHECK-NEXT: [[TMP24:%.*]] = extractelement <2 x float> [[A:%.*]], i32 0 -; CHECK-NEXT: [[BC:%.*]] = bitcast <2 x i32> [[B:%.*]] to <2 x float> -; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x float> [[BC]], i32 0 -; CHECK-NEXT: [[ADD:%.*]] = fadd float [[TMP24]], [[TMP4]] -; CHECK-NEXT: ret float [[ADD]] -; - %tmp28 = bitcast <2 x float> %A to i64 ; <i64> [#uses=2] - %tmp23 = trunc i64 %tmp28 to i32 ; <i32> [#uses=1] - %tmp24 = bitcast i32 %tmp23 to float ; <float> [#uses=1] - - %tmp = bitcast <2 x i32> %B to i64 - %tmp2 = trunc i64 %tmp to i32 ; <i32> [#uses=1] - %tmp4 = bitcast i32 %tmp2 to float ; <float> [#uses=1] - - %add = fadd float %tmp24, %tmp4 - ret float %add -} - -; Optimize bitcasts that are extracting other elements of a vector. This happens because of SRoA. -; rdar://7892780 -define float @test3(<2 x float> %A, <2 x i64> %B) { -; CHECK-LABEL: @test3( -; CHECK-NEXT: [[TMP24:%.*]] = extractelement <2 x float> [[A:%.*]], i32 1 -; CHECK-NEXT: [[BC2:%.*]] = bitcast <2 x i64> [[B:%.*]] to <4 x float> -; CHECK-NEXT: [[TMP4:%.*]] = extractelement <4 x float> [[BC2]], i32 2 -; CHECK-NEXT: [[ADD:%.*]] = fadd float [[TMP24]], [[TMP4]] -; CHECK-NEXT: ret float [[ADD]] -; - %tmp28 = bitcast <2 x float> %A to i64 - %tmp29 = lshr i64 %tmp28, 32 - %tmp23 = trunc i64 %tmp29 to i32 - %tmp24 = bitcast i32 %tmp23 to float - - %tmp = bitcast <2 x i64> %B to i128 - %tmp1 = lshr i128 %tmp, 64 - %tmp2 = trunc i128 %tmp1 to i32 - %tmp4 = bitcast i32 %tmp2 to float - - %add = fadd float %tmp24, %tmp4 - ret float %add -} - -; Both bitcasts are unnecessary; change the extractelement. - -define float @bitcast_extelt1(<2 x float> %A) { -; CHECK-LABEL: @bitcast_extelt1( -; CHECK-NEXT: [[BC2:%.*]] = extractelement <2 x float> [[A:%.*]], i32 0 -; CHECK-NEXT: ret float [[BC2]] -; - %bc1 = bitcast <2 x float> %A to <2 x i32> - %ext = extractelement <2 x i32> %bc1, i32 0 - %bc2 = bitcast i32 %ext to float - ret float %bc2 -} - -; Second bitcast can be folded into the first. - -define i64 @bitcast_extelt2(<4 x float> %A) { -; CHECK-LABEL: @bitcast_extelt2( -; CHECK-NEXT: [[BC:%.*]] = bitcast <4 x float> [[A:%.*]] to <2 x i64> -; CHECK-NEXT: [[BC2:%.*]] = extractelement <2 x i64> [[BC]], i32 1 -; CHECK-NEXT: ret i64 [[BC2]] -; - %bc1 = bitcast <4 x float> %A to <2 x double> - %ext = extractelement <2 x double> %bc1, i32 1 - %bc2 = bitcast double %ext to i64 - ret i64 %bc2 -} - -; TODO: This should return %A. - -define <2 x i32> @bitcast_extelt3(<2 x i32> %A) { -; CHECK-LABEL: @bitcast_extelt3( -; CHECK-NEXT: [[BC1:%.*]] = bitcast <2 x i32> [[A:%.*]] to <1 x i64> -; CHECK-NEXT: [[EXT:%.*]] = extractelement <1 x i64> [[BC1]], i32 0 -; CHECK-NEXT: [[BC2:%.*]] = bitcast i64 [[EXT]] to <2 x i32> -; CHECK-NEXT: ret <2 x i32> [[BC2]] -; - %bc1 = bitcast <2 x i32> %A to <1 x i64> - %ext = extractelement <1 x i64> %bc1, i32 0 - %bc2 = bitcast i64 %ext to <2 x i32> - ret <2 x i32> %bc2 -} - -; Handle the case where the input is not a vector. - -define double @bitcast_extelt4(i128 %A) { -; CHECK-LABEL: @bitcast_extelt4( -; CHECK-NEXT: [[BC:%.*]] = bitcast i128 [[A:%.*]] to <2 x double> -; CHECK-NEXT: [[BC2:%.*]] = extractelement <2 x double> [[BC]], i32 0 -; CHECK-NEXT: ret double [[BC2]] -; - %bc1 = bitcast i128 %A to <2 x i64> - %ext = extractelement <2 x i64> %bc1, i32 0 - %bc2 = bitcast i64 %ext to double - ret double %bc2 -} - -define <2 x i32> @test4(i32 %A, i32 %B){ -; CHECK-LABEL: @test4( -; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x i32> undef, i32 [[A:%.*]], i32 0 -; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x i32> [[TMP1]], i32 [[B:%.*]], i32 1 -; CHECK-NEXT: ret <2 x i32> [[TMP2]] -; - %tmp38 = zext i32 %A to i64 - %tmp32 = zext i32 %B to i64 - %tmp33 = shl i64 %tmp32, 32 - %ins35 = or i64 %tmp33, %tmp38 - %tmp43 = bitcast i64 %ins35 to <2 x i32> - ret <2 x i32> %tmp43 -} - -; rdar://8360454 -define <2 x float> @test5(float %A, float %B) { -; CHECK-LABEL: @test5( -; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x float> undef, float [[A:%.*]], i32 0 -; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x float> [[TMP1]], float [[B:%.*]], i32 1 -; CHECK-NEXT: ret <2 x float> [[TMP2]] -; - %tmp37 = bitcast float %A to i32 - %tmp38 = zext i32 %tmp37 to i64 - %tmp31 = bitcast float %B to i32 - %tmp32 = zext i32 %tmp31 to i64 - %tmp33 = shl i64 %tmp32, 32 - %ins35 = or i64 %tmp33, %tmp38 - %tmp43 = bitcast i64 %ins35 to <2 x float> - ret <2 x float> %tmp43 -} - -define <2 x float> @test6(float %A){ -; CHECK-LABEL: @test6( -; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x float> <float 4.200000e+01, float undef>, float [[A:%.*]], i32 1 -; CHECK-NEXT: ret <2 x float> [[TMP1]] -; - %tmp23 = bitcast float %A to i32 - %tmp24 = zext i32 %tmp23 to i64 - %tmp25 = shl i64 %tmp24, 32 - %mask20 = or i64 %tmp25, 1109917696 - %tmp35 = bitcast i64 %mask20 to <2 x float> - ret <2 x float> %tmp35 -} - -define i64 @ISPC0(i64 %in) { -; CHECK-LABEL: @ISPC0( -; CHECK-NEXT: ret i64 0 -; - %out = and i64 %in, xor (i64 bitcast (<4 x i16> <i16 -1, i16 -1, i16 -1, i16 -1> to i64), i64 -1) - ret i64 %out -} - - -define i64 @Vec2(i64 %in) { -; CHECK-LABEL: @Vec2( -; CHECK-NEXT: ret i64 0 -; - %out = and i64 %in, xor (i64 bitcast (<4 x i16> <i16 0, i16 0, i16 0, i16 0> to i64), i64 0) - ret i64 %out -} - -define i64 @All11(i64 %in) { -; CHECK-LABEL: @All11( -; CHECK-NEXT: ret i64 0 -; - %out = and i64 %in, xor (i64 bitcast (<2 x float> bitcast (i64 -1 to <2 x float>) to i64), i64 -1) - ret i64 %out -} - - -define i32 @All111(i32 %in) { -; CHECK-LABEL: @All111( -; CHECK-NEXT: ret i32 0 -; - %out = and i32 %in, xor (i32 bitcast (<1 x float> bitcast (i32 -1 to <1 x float>) to i32), i32 -1) - ret i32 %out -} - -define <2 x i16> @BitcastInsert(i32 %a) { -; CHECK-LABEL: @BitcastInsert( -; CHECK-NEXT: [[R:%.*]] = bitcast i32 [[A:%.*]] to <2 x i16> -; CHECK-NEXT: ret <2 x i16> [[R]] -; - %v = insertelement <1 x i32> undef, i32 %a, i32 0 - %r = bitcast <1 x i32> %v to <2 x i16> - ret <2 x i16> %r -} - -; PR17293 -define <2 x i64> @test7(<2 x i8*>* %arg) nounwind { -; CHECK-LABEL: @test7( -; CHECK-NEXT: [[CAST:%.*]] = bitcast <2 x i8*>* [[ARG:%.*]] to <2 x i64>* -; CHECK-NEXT: [[LOAD:%.*]] = load <2 x i64>, <2 x i64>* [[CAST]], align 16 -; CHECK-NEXT: ret <2 x i64> [[LOAD]] -; - %cast = bitcast <2 x i8*>* %arg to <2 x i64>* - %load = load <2 x i64>, <2 x i64>* %cast, align 16 - ret <2 x i64> %load -} - -define i8 @test8() { -; CHECK-LABEL: @test8( -; CHECK-NEXT: ret i8 -85 -; - %res = bitcast <8 x i1> <i1 true, i1 true, i1 false, i1 true, i1 false, i1 true, i1 false, i1 true> to i8 - ret i8 %res -} - -@g = internal unnamed_addr global i32 undef - -define void @constant_fold_vector_to_double() { -; CHECK-LABEL: @constant_fold_vector_to_double( -; CHECK-NEXT: store volatile double 1.000000e+00, double* undef, align 8 -; CHECK-NEXT: store volatile double 1.000000e+00, double* undef, align 8 -; CHECK-NEXT: store volatile double 1.000000e+00, double* undef, align 8 -; CHECK-NEXT: store volatile double 1.000000e+00, double* undef, align 8 -; CHECK-NEXT: store volatile double 0xFFFFFFFFFFFFFFFF, double* undef, align 8 -; CHECK-NEXT: store volatile double 0x162E000004D2, double* undef, align 8 -; CHECK-NEXT: store volatile double bitcast (<2 x i32> <i32 1234, i32 ptrtoint (i32* @g to i32)> to double), double* undef, align 8 -; CHECK-NEXT: store volatile double 0x400000003F800000, double* undef, align 8 -; CHECK-NEXT: store volatile double 0.000000e+00, double* undef, align 8 -; CHECK-NEXT: store volatile double 0.000000e+00, double* undef, align 8 -; CHECK-NEXT: store volatile double 0.000000e+00, double* undef, align 8 -; CHECK-NEXT: store volatile double 0.000000e+00, double* undef, align 8 -; CHECK-NEXT: store volatile double 0.000000e+00, double* undef, align 8 -; CHECK-NEXT: store volatile double 0.000000e+00, double* undef, align 8 -; CHECK-NEXT: ret void -; - store volatile double bitcast (<1 x i64> <i64 4607182418800017408> to double), double* undef - store volatile double bitcast (<2 x i32> <i32 0, i32 1072693248> to double), double* undef - store volatile double bitcast (<4 x i16> <i16 0, i16 0, i16 0, i16 16368> to double), double* undef - store volatile double bitcast (<8 x i8> <i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 240, i8 63> to double), double* undef - - store volatile double bitcast (<2 x i32> <i32 -1, i32 -1> to double), double* undef - store volatile double bitcast (<2 x i32> <i32 1234, i32 5678> to double), double* undef - - store volatile double bitcast (<2 x i32> <i32 1234, i32 ptrtoint (i32* @g to i32)> to double), double* undef - store volatile double bitcast (<2 x float> <float 1.0, float 2.0> to double), double* undef - - store volatile double bitcast (<2 x i32> zeroinitializer to double), double* undef - store volatile double bitcast (<4 x i16> zeroinitializer to double), double* undef - store volatile double bitcast (<8 x i8> zeroinitializer to double), double* undef - store volatile double bitcast (<16 x i4> zeroinitializer to double), double* undef - store volatile double bitcast (<32 x i2> zeroinitializer to double), double* undef - store volatile double bitcast (<64 x i1> zeroinitializer to double), double* undef - ret void -} - -define void @constant_fold_vector_to_float() { -; CHECK-LABEL: @constant_fold_vector_to_float( -; CHECK-NEXT: store volatile float 1.000000e+00, float* undef, align 4 -; CHECK-NEXT: store volatile float 1.000000e+00, float* undef, align 4 -; CHECK-NEXT: store volatile float 1.000000e+00, float* undef, align 4 -; CHECK-NEXT: store volatile float 1.000000e+00, float* undef, align 4 -; CHECK-NEXT: ret void -; - store volatile float bitcast (<1 x i32> <i32 1065353216> to float), float* undef - store volatile float bitcast (<2 x i16> <i16 0, i16 16256> to float), float* undef - store volatile float bitcast (<4 x i8> <i8 0, i8 0, i8 128, i8 63> to float), float* undef - store volatile float bitcast (<32 x i1> <i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 0, i1 0> to float), float* undef - - ret void -} - -define void @constant_fold_vector_to_half() { -; CHECK-LABEL: @constant_fold_vector_to_half( -; CHECK-NEXT: store volatile half 0xH4000, half* undef, align 2 -; CHECK-NEXT: store volatile half 0xH4000, half* undef, align 2 -; CHECK-NEXT: ret void -; - store volatile half bitcast (<2 x i8> <i8 0, i8 64> to half), half* undef - store volatile half bitcast (<4 x i4> <i4 0, i4 0, i4 0, i4 4> to half), half* undef - ret void -} |
