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Diffstat (limited to 'llvm/test/Transforms/InstCombine/set.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/set.ll | 392 |
1 files changed, 0 insertions, 392 deletions
diff --git a/llvm/test/Transforms/InstCombine/set.ll b/llvm/test/Transforms/InstCombine/set.ll deleted file mode 100644 index b8c349aaf94..00000000000 --- a/llvm/test/Transforms/InstCombine/set.ll +++ /dev/null @@ -1,392 +0,0 @@ -; NOTE: Assertions have been autogenerated by utils/update_test_checks.py -; This test makes sure that all icmp instructions are eliminated. -; RUN: opt < %s -instcombine -S | FileCheck %s - -@X = external global i32 - -define i1 @test1(i32 %A) { -; CHECK-LABEL: @test1( -; CHECK-NEXT: ret i1 false -; - %B = icmp eq i32 %A, %A - ; Never true - %C = icmp eq i32* @X, null - %D = and i1 %B, %C - ret i1 %D -} - -define i1 @test2(i32 %A) { -; CHECK-LABEL: @test2( -; CHECK-NEXT: ret i1 true -; - %B = icmp ne i32 %A, %A - ; Never false - %C = icmp ne i32* @X, null - %D = or i1 %B, %C - ret i1 %D -} - -define i1 @test3(i32 %A) { -; CHECK-LABEL: @test3( -; CHECK-NEXT: ret i1 false -; - %B = icmp slt i32 %A, %A - ret i1 %B -} - - -define i1 @test4(i32 %A) { -; CHECK-LABEL: @test4( -; CHECK-NEXT: ret i1 false -; - %B = icmp sgt i32 %A, %A - ret i1 %B -} - -define i1 @test5(i32 %A) { -; CHECK-LABEL: @test5( -; CHECK-NEXT: ret i1 true -; - %B = icmp sle i32 %A, %A - ret i1 %B -} - -define i1 @test6(i32 %A) { -; CHECK-LABEL: @test6( -; CHECK-NEXT: ret i1 true -; - %B = icmp sge i32 %A, %A - ret i1 %B -} - -define i1 @test7(i32 %A) { -; CHECK-LABEL: @test7( -; CHECK-NEXT: ret i1 true -; - %B = icmp uge i32 %A, 0 - ret i1 %B -} - -define i1 @test8(i32 %A) { -; CHECK-LABEL: @test8( -; CHECK-NEXT: ret i1 false -; - %B = icmp ult i32 %A, 0 - ret i1 %B -} - -;; test operations on boolean values these should all be eliminated$a -define i1 @test9(i1 %A) { -; CHECK-LABEL: @test9( -; CHECK-NEXT: ret i1 false -; - %B = icmp ult i1 %A, false - ret i1 %B -} - -define i1 @test10(i1 %A) { -; CHECK-LABEL: @test10( -; CHECK-NEXT: ret i1 false -; - %B = icmp ugt i1 %A, true - ret i1 %B -} - -define i1 @test11(i1 %A) { -; CHECK-LABEL: @test11( -; CHECK-NEXT: ret i1 true -; - %B = icmp ule i1 %A, true - ret i1 %B -} - -define i1 @test12(i1 %A) { -; CHECK-LABEL: @test12( -; CHECK-NEXT: ret i1 true -; - %B = icmp uge i1 %A, false - ret i1 %B -} - -define i1 @test13(i1 %A, i1 %B) { -; CHECK-LABEL: @test13( -; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[B:%.*]], true -; CHECK-NEXT: [[C:%.*]] = or i1 [[TMP1]], [[A:%.*]] -; CHECK-NEXT: ret i1 [[C]] -; - %C = icmp uge i1 %A, %B - ret i1 %C -} - -define <2 x i1> @test13vec(<2 x i1> %A, <2 x i1> %B) { -; CHECK-LABEL: @test13vec( -; CHECK-NEXT: [[TMP1:%.*]] = xor <2 x i1> [[B:%.*]], <i1 true, i1 true> -; CHECK-NEXT: [[C:%.*]] = or <2 x i1> [[TMP1]], [[A:%.*]] -; CHECK-NEXT: ret <2 x i1> [[C]] -; - %C = icmp uge <2 x i1> %A, %B - ret <2 x i1> %C -} - -define i1 @test14(i1 %A, i1 %B) { -; CHECK-LABEL: @test14( -; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[A:%.*]], [[B:%.*]] -; CHECK-NEXT: [[C:%.*]] = xor i1 [[TMP1]], true -; CHECK-NEXT: ret i1 [[C]] -; - %C = icmp eq i1 %A, %B - ret i1 %C -} - -define <3 x i1> @test14vec(<3 x i1> %A, <3 x i1> %B) { -; CHECK-LABEL: @test14vec( -; CHECK-NEXT: [[TMP1:%.*]] = xor <3 x i1> [[A:%.*]], [[B:%.*]] -; CHECK-NEXT: [[C:%.*]] = xor <3 x i1> [[TMP1]], <i1 true, i1 true, i1 true> -; CHECK-NEXT: ret <3 x i1> [[C]] -; - %C = icmp eq <3 x i1> %A, %B - ret <3 x i1> %C -} - -define i1 @bool_eq0(i64 %a) { -; CHECK-LABEL: @bool_eq0( -; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i64 [[A:%.*]], 1 -; CHECK-NEXT: ret i1 [[TMP1]] -; - %b = icmp sgt i64 %a, 0 - %c = icmp eq i64 %a, 1 - %notc = icmp eq i1 %c, false - %and = and i1 %b, %notc - ret i1 %and -} - -; This is equivalent to the previous test. - -define i1 @xor_of_icmps(i64 %a) { -; CHECK-LABEL: @xor_of_icmps( -; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i64 [[A:%.*]], 1 -; CHECK-NEXT: ret i1 [[TMP1]] -; - %b = icmp sgt i64 %a, 0 - %c = icmp eq i64 %a, 1 - %xor = xor i1 %c, %b - ret i1 %xor -} - -; This is also equivalent to the previous test. - -define i1 @xor_of_icmps_commute(i64 %a) { -; CHECK-LABEL: @xor_of_icmps_commute( -; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i64 [[A:%.*]], 1 -; CHECK-NEXT: ret i1 [[TMP1]] -; - %b = icmp sgt i64 %a, 0 - %c = icmp eq i64 %a, 1 - %xor = xor i1 %b, %c - ret i1 %xor -} - -; FIXME: This is (a != 5). - -define i1 @xor_of_icmps_folds_more(i64 %a) { -; CHECK-LABEL: @xor_of_icmps_folds_more( -; CHECK-NEXT: [[B:%.*]] = icmp sgt i64 [[A:%.*]], 4 -; CHECK-NEXT: [[C:%.*]] = icmp slt i64 [[A]], 6 -; CHECK-NEXT: [[XOR:%.*]] = xor i1 [[B]], [[C]] -; CHECK-NEXT: ret i1 [[XOR]] -; - %b = icmp sgt i64 %a, 4 - %c = icmp slt i64 %a, 6 - %xor = xor i1 %b, %c - ret i1 %xor -} - -; https://bugs.llvm.org/show_bug.cgi?id=2844 - -define i32 @PR2844(i32 %x) { -; CHECK-LABEL: @PR2844( -; CHECK-NEXT: [[A:%.*]] = icmp ne i32 [[X:%.*]], 0 -; CHECK-NEXT: [[B:%.*]] = icmp sgt i32 [[X]], -638208502 -; CHECK-NEXT: [[TMP1:%.*]] = and i1 [[A]], [[B]] -; CHECK-NEXT: [[SEL:%.*]] = zext i1 [[TMP1]] to i32 -; CHECK-NEXT: ret i32 [[SEL]] -; - %A = icmp eq i32 %x, 0 - %B = icmp slt i32 %x, -638208501 - %or = or i1 %A, %B - %sel = select i1 %or, i32 0, i32 1 - ret i32 %sel -} - -define i1 @test16(i32 %A) { -; CHECK-LABEL: @test16( -; CHECK-NEXT: ret i1 false -; - %B = and i32 %A, 5 - ; Is never true - %C = icmp eq i32 %B, 8 - ret i1 %C -} - -define i1 @test17(i8 %A) { -; CHECK-LABEL: @test17( -; CHECK-NEXT: ret i1 false -; - %B = or i8 %A, 1 - ; Always false - %C = icmp eq i8 %B, 2 - ret i1 %C -} - -define i1 @test18(i1 %C, i32 %a) { -; CHECK-LABEL: @test18( -; CHECK-NEXT: entry: -; CHECK-NEXT: br i1 [[C:%.*]], label [[ENDIF:%.*]], label [[ELSE:%.*]] -; CHECK: else: -; CHECK-NEXT: br label [[ENDIF]] -; CHECK: endif: -; CHECK-NEXT: ret i1 true -; -entry: - br i1 %C, label %endif, label %else - -else: - br label %endif - -endif: - %b.0 = phi i32 [ 0, %entry ], [ 1, %else ] - %tmp.4 = icmp slt i32 %b.0, 123 - ret i1 %tmp.4 -} - -define i1 @test19(i1 %A, i1 %B) { -; CHECK-LABEL: @test19( -; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[A:%.*]], [[B:%.*]] -; CHECK-NEXT: [[C:%.*]] = xor i1 [[TMP1]], true -; CHECK-NEXT: ret i1 [[C]] -; - %a = zext i1 %A to i32 - %b = zext i1 %B to i32 - %C = icmp eq i32 %a, %b - ret i1 %C -} - -define i32 @test20(i32 %A) { -; CHECK-LABEL: @test20( -; CHECK-NEXT: [[B:%.*]] = and i32 [[A:%.*]], 1 -; CHECK-NEXT: ret i32 [[B]] -; - %B = and i32 %A, 1 - %C = icmp ne i32 %B, 0 - %D = zext i1 %C to i32 - ret i32 %D -} - -define <2 x i32> @test20vec(<2 x i32> %A) { -; CHECK-LABEL: @test20vec( -; CHECK-NEXT: [[B:%.*]] = and <2 x i32> [[A:%.*]], <i32 1, i32 1> -; CHECK-NEXT: ret <2 x i32> [[B]] -; - %B = and <2 x i32> %A, <i32 1, i32 1> - %C = icmp ne <2 x i32> %B, zeroinitializer - %D = zext <2 x i1> %C to <2 x i32> - ret <2 x i32> %D -} - -define i32 @test21(i32 %a) { -; CHECK-LABEL: @test21( -; CHECK-NEXT: [[TMP_6:%.*]] = lshr i32 [[A:%.*]], 2 -; CHECK-NEXT: [[TMP_6_LOBIT:%.*]] = and i32 [[TMP_6]], 1 -; CHECK-NEXT: ret i32 [[TMP_6_LOBIT]] -; - %tmp.6 = and i32 %a, 4 - %not.tmp.7 = icmp ne i32 %tmp.6, 0 - %retval = zext i1 %not.tmp.7 to i32 - ret i32 %retval -} - -define <2 x i32> @test21vec(<2 x i32> %a) { -; CHECK-LABEL: @test21vec( -; CHECK-NEXT: [[TMP_6:%.*]] = lshr <2 x i32> [[A:%.*]], <i32 2, i32 2> -; CHECK-NEXT: [[TMP_6_LOBIT:%.*]] = and <2 x i32> [[TMP_6]], <i32 1, i32 1> -; CHECK-NEXT: ret <2 x i32> [[TMP_6_LOBIT]] -; - %tmp.6 = and <2 x i32> %a, <i32 4, i32 4> - %not.tmp.7 = icmp ne <2 x i32> %tmp.6, zeroinitializer - %retval = zext <2 x i1> %not.tmp.7 to <2 x i32> - ret <2 x i32> %retval -} - -define i1 @test22(i32 %A, i32 %X) { -; CHECK-LABEL: @test22( -; CHECK-NEXT: ret i1 true -; - %B = and i32 %A, 100663295 - %C = icmp ult i32 %B, 268435456 - %Y = and i32 %X, 7 - %Z = icmp sgt i32 %Y, -1 - %R = or i1 %C, %Z - ret i1 %R -} - -define i32 @test23(i32 %a) { -; CHECK-LABEL: @test23( -; CHECK-NEXT: [[TMP_1:%.*]] = and i32 [[A:%.*]], 1 -; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[TMP_1]], 1 -; CHECK-NEXT: ret i32 [[TMP1]] -; - %tmp.1 = and i32 %a, 1 - %tmp.2 = icmp eq i32 %tmp.1, 0 - %tmp.3 = zext i1 %tmp.2 to i32 - ret i32 %tmp.3 -} - -define <2 x i32> @test23vec(<2 x i32> %a) { -; CHECK-LABEL: @test23vec( -; CHECK-NEXT: [[TMP_1:%.*]] = and <2 x i32> [[A:%.*]], <i32 1, i32 1> -; CHECK-NEXT: [[TMP1:%.*]] = xor <2 x i32> [[TMP_1]], <i32 1, i32 1> -; CHECK-NEXT: ret <2 x i32> [[TMP1]] -; - %tmp.1 = and <2 x i32> %a, <i32 1, i32 1> - %tmp.2 = icmp eq <2 x i32> %tmp.1, zeroinitializer - %tmp.3 = zext <2 x i1> %tmp.2 to <2 x i32> - ret <2 x i32> %tmp.3 -} - -define i32 @test24(i32 %a) { -; CHECK-LABEL: @test24( -; CHECK-NEXT: [[TMP_1:%.*]] = lshr i32 [[A:%.*]], 2 -; CHECK-NEXT: [[TMP_1_LOBIT:%.*]] = and i32 [[TMP_1]], 1 -; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[TMP_1_LOBIT]], 1 -; CHECK-NEXT: ret i32 [[TMP1]] -; - %tmp1 = and i32 %a, 4 - %tmp.1 = lshr i32 %tmp1, 2 - %tmp.2 = icmp eq i32 %tmp.1, 0 - %tmp.3 = zext i1 %tmp.2 to i32 - ret i32 %tmp.3 -} - -define <2 x i32> @test24vec(<2 x i32> %a) { -; CHECK-LABEL: @test24vec( -; CHECK-NEXT: [[TMP_1:%.*]] = lshr <2 x i32> [[A:%.*]], <i32 2, i32 2> -; CHECK-NEXT: [[TMP_1_LOBIT:%.*]] = and <2 x i32> [[TMP_1]], <i32 1, i32 1> -; CHECK-NEXT: [[TMP1:%.*]] = xor <2 x i32> [[TMP_1_LOBIT]], <i32 1, i32 1> -; CHECK-NEXT: ret <2 x i32> [[TMP1]] -; - %tmp1 = and <2 x i32> %a, <i32 4, i32 4> - %tmp.1 = lshr <2 x i32> %tmp1, <i32 2, i32 2> - %tmp.2 = icmp eq <2 x i32> %tmp.1, zeroinitializer - %tmp.3 = zext <2 x i1> %tmp.2 to <2 x i32> - ret <2 x i32> %tmp.3 -} - -define i1 @test25(i32 %A) { -; CHECK-LABEL: @test25( -; CHECK-NEXT: ret i1 false -; - %B = and i32 %A, 2 - %C = icmp ugt i32 %B, 2 - ret i1 %C -} - |
