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69e6407cba
Also, add a helper function so we don't have to repeat this code for each binop. llvm-svn: 299309
37 lines
798 B
LLVM
37 lines
798 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -instsimplify -S | FileCheck %s
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define float @fdiv_constant_fold() {
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; CHECK-LABEL: @fdiv_constant_fold(
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; CHECK-NEXT: ret float 1.500000e+00
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;
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%f = fdiv float 3.0, 2.0
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ret float %f
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}
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define float @frem_constant_fold() {
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; CHECK-LABEL: @frem_constant_fold(
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; CHECK-NEXT: ret float 1.000000e+00
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;
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%f = frem float 3.0, 2.0
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ret float %f
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}
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define double @fdiv_of_undef(double %X) {
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; CHECK-LABEL: @fdiv_of_undef(
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; CHECK-NEXT: ret double undef
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;
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; undef / X -> undef
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%r = fdiv double undef, %X
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ret double %r
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}
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define double @fdiv_by_undef(double %X) {
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; CHECK-LABEL: @fdiv_by_undef(
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; CHECK-NEXT: ret double undef
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;
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; X / undef -> undef
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%r = fdiv double %X, undef
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ret double %r
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}
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