23 lines
531 B
LLVM
23 lines
531 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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; InstCombine should preserve the call to @llvm.assume.
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define i32 @icmp(i32 %a, i32 %b) {
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; CHECK-LABEL: @icmp(
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%sum = add i32 %a, %b
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%1 = icmp sge i32 %sum, 0
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call void @llvm.assume(i1 %1)
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; CHECK: call void @llvm.assume
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ret i32 %sum
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}
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define float @fcmp(float %a, float %b) {
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; CHECK-LABEL: @fcmp(
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%sum = fadd float %a, %b
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%1 = fcmp oge float %sum, 0.0
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call void @llvm.assume(i1 %1)
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; CHECK: call void @llvm.assume
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ret float %sum
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}
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declare void @llvm.assume(i1)
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