diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/fcmp-select.ll')
-rw-r--r-- | llvm/test/Transforms/InstCombine/fcmp-select.ll | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/llvm/test/Transforms/InstCombine/fcmp-select.ll b/llvm/test/Transforms/InstCombine/fcmp-select.ll deleted file mode 100644 index 7fc59bbcb7d..00000000000 --- a/llvm/test/Transforms/InstCombine/fcmp-select.ll +++ /dev/null @@ -1,116 +0,0 @@ -; NOTE: Assertions have been autogenerated by utils/update_test_checks.py -; RUN: opt < %s -instcombine -S | FileCheck %s - -declare void @use(i1) - -; X == 42.0 ? X : 42.0 --> 42.0 - -define double @oeq(double %x) { -; CHECK-LABEL: @oeq( -; CHECK-NEXT: [[CMP:%.*]] = fcmp oeq double [[X:%.*]], 4.200000e+01 -; CHECK-NEXT: call void @use(i1 [[CMP]]) -; CHECK-NEXT: ret double 4.200000e+01 -; - %cmp = fcmp oeq double %x, 42.0 - call void @use(i1 %cmp) ; extra use to thwart predicate canonicalization - %cond = select i1 %cmp, double %x, double 42.0 - ret double %cond -} - -; X == 42.0 ? 42.0 : X --> X - -define float @oeq_swapped(float %x) { -; CHECK-LABEL: @oeq_swapped( -; CHECK-NEXT: [[CMP:%.*]] = fcmp oeq float [[X:%.*]], 4.200000e+01 -; CHECK-NEXT: call void @use(i1 [[CMP]]) -; CHECK-NEXT: ret float [[X]] -; - %cmp = fcmp oeq float %x, 42.0 - call void @use(i1 %cmp) ; extra use to thwart predicate canonicalization - %cond = select i1 %cmp, float 42.0, float %x - ret float %cond -} - -; x != y ? x : y -> x if it's the right kind of != and at least -; one of x and y is not negative zero. - -; X != 42.0 ? X : 42.0 --> X - -define double @une(double %x) { -; CHECK-LABEL: @une( -; CHECK-NEXT: [[CMP:%.*]] = fcmp une double [[X:%.*]], 4.200000e+01 -; CHECK-NEXT: call void @use(i1 [[CMP]]) -; CHECK-NEXT: ret double [[X]] -; - %cmp = fcmp une double %x, 42.0 - call void @use(i1 %cmp) ; extra use to thwart predicate canonicalization - %cond = select i1 %cmp, double %x, double 42.0 - ret double %cond -} - -; X != 42.0 ? 42.0 : X --> 42.0 - -define double @une_swapped(double %x) { -; CHECK-LABEL: @une_swapped( -; CHECK-NEXT: [[CMP:%.*]] = fcmp une double [[X:%.*]], 4.200000e+01 -; CHECK-NEXT: call void @use(i1 [[CMP]]) -; CHECK-NEXT: ret double 4.200000e+01 -; - %cmp = fcmp une double %x, 42.0 - call void @use(i1 %cmp) ; extra use to thwart predicate canonicalization - %cond = select i1 %cmp, double 42.0, double %x - ret double %cond -} - -define double @une_could_be_negzero(double %x, double %y) { -; CHECK-LABEL: @une_could_be_negzero( -; CHECK-NEXT: [[CMP:%.*]] = fcmp une double [[X:%.*]], [[Y:%.*]] -; CHECK-NEXT: call void @use(i1 [[CMP]]) -; CHECK-NEXT: [[COND:%.*]] = select i1 [[CMP]], double [[X]], double [[Y]] -; CHECK-NEXT: ret double [[COND]] -; - %cmp = fcmp une double %x, %y - call void @use(i1 %cmp) ; extra use to thwart predicate canonicalization - %cond = select i1 %cmp, double %x, double %y - ret double %cond -} - -define double @une_swapped_could_be_negzero(double %x, double %y) { -; CHECK-LABEL: @une_swapped_could_be_negzero( -; CHECK-NEXT: [[CMP:%.*]] = fcmp une double [[X:%.*]], [[Y:%.*]] -; CHECK-NEXT: call void @use(i1 [[CMP]]) -; CHECK-NEXT: [[COND:%.*]] = select i1 [[CMP]], double [[Y]], double [[X]] -; CHECK-NEXT: ret double [[COND]] -; - %cmp = fcmp une double %x, %y - call void @use(i1 %cmp) ; extra use to thwart predicate canonicalization - %cond = select i1 %cmp, double %y, double %x - ret double %cond -} - -define double @one(double %x) { -; CHECK-LABEL: @one( -; CHECK-NEXT: [[CMP:%.*]] = fcmp one double [[X:%.*]], -1.000000e+00 -; CHECK-NEXT: call void @use(i1 [[CMP]]) -; CHECK-NEXT: [[COND:%.*]] = select i1 [[CMP]], double [[X]], double -1.000000e+00 -; CHECK-NEXT: ret double [[COND]] -; - %cmp = fcmp one double %x, -1.0 - call void @use(i1 %cmp) ; extra use to thwart predicate canonicalization - %cond = select i1 %cmp, double %x, double -1.0 - ret double %cond -} - -define double @one_swapped(double %x) { -; CHECK-LABEL: @one_swapped( -; CHECK-NEXT: [[CMP:%.*]] = fcmp one double [[X:%.*]], -1.000000e+00 -; CHECK-NEXT: call void @use(i1 [[CMP]]) -; CHECK-NEXT: [[COND:%.*]] = select i1 [[CMP]], double -1.000000e+00, double [[X]] -; CHECK-NEXT: ret double [[COND]] -; - %cmp = fcmp one double %x, -1.0 - call void @use(i1 %cmp) ; extra use to thwart predicate canonicalization - %cond = select i1 %cmp, double -1.0, double %x - ret double %cond -} - |