29 lines
757 B
LLVM
29 lines
757 B
LLVM
; RUN: opt < %s -newgvn -S | FileCheck %s
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; CHECK-LABEL: func_fast
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; CHECK: fadd fast double
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; CHECK-NEXT: store
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; CHECK-NEXT: ret
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define double @func_fast(double %a, double %b) {
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entry:
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%a.addr = alloca double, align 8
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%add = fadd fast double %b, 3.000000e+00
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store double %add, double* %a.addr, align 8
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%load_add = load double, double* %a.addr, align 8
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ret double %load_add
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}
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; CHECK-LABEL: func_no_fast
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; CHECK: fadd double
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; CHECK-NEXT: store
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; CHECK-NEXT: ret
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define double @func_no_fast(double %a, double %b) {
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entry:
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%a.addr = alloca double, align 8
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%add = fadd fast double %b, 3.000000e+00
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store double %add, double* %a.addr, align 8
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%duplicated_add = fadd double %b, 3.000000e+00
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ret double %duplicated_add
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}
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