forked from OSchip/llvm-project
40 lines
1.1 KiB
LLVM
40 lines
1.1 KiB
LLVM
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; RUN: llc -mcpu=ppc64 < %s | FileCheck %s
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target datalayout = "E-m:e-i64:64-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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; Following test case checks:
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; a / D; b / D; c / D;
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; =>
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; recip = 1.0 / D; a * recip; b * recip; c * recip;
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define void @three_fdiv_double(double %D, double %a, double %b, double %c) #0 {
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; CHECK-LABEL: three_fdiv_double:
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; CHECK: fdiv
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; CHECK-NEXT-NOT: fdiv
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; CHECK: fmul
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; CHECK: fmul
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; CHECK: fmul
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%div = fdiv double %a, %D
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%div1 = fdiv double %b, %D
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%div2 = fdiv double %c, %D
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tail call void @foo_3d(double %div, double %div1, double %div2)
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ret void
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}
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define void @two_fdiv_double(double %D, double %a, double %b) #0 {
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; CHECK-LABEL: two_fdiv_double:
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; CHECK: fdiv
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; CHECK: fdiv
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; CHECK-NEXT-NOT: fmul
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%div = fdiv double %a, %D
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%div1 = fdiv double %b, %D
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tail call void @foo_2d(double %div, double %div1)
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ret void
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}
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declare void @foo_3d(double, double, double)
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declare void @foo_3_2xd(<2 x double>, <2 x double>, <2 x double>)
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declare void @foo_2d(double, double)
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attributes #0 = { "unsafe-fp-math"="true" }
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