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https://github.com/RPCS3/llvm.git
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Geoff Berry
c3ef7ae13a
This reverts commit r314729. Another bug has been encountered in an out-of-tree target reported by Quentin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@314814 91177308-0d34-0410-b5e6-96231b3b80d8
41 lines
1.3 KiB
LLVM
41 lines
1.3 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=sse2 | FileCheck %s
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; Ideally this would compile to 5 multiplies.
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define double @pow_wrapper(double %a) nounwind readonly ssp noredzone {
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; CHECK-LABEL: pow_wrapper:
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; CHECK: # BB#0:
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; CHECK-NEXT: movapd %xmm0, %xmm1
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; CHECK-NEXT: mulsd %xmm1, %xmm1
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; CHECK-NEXT: mulsd %xmm1, %xmm0
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; CHECK-NEXT: mulsd %xmm1, %xmm1
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; CHECK-NEXT: mulsd %xmm1, %xmm0
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; CHECK-NEXT: mulsd %xmm1, %xmm1
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; CHECK-NEXT: mulsd %xmm0, %xmm1
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; CHECK-NEXT: movapd %xmm1, %xmm0
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; CHECK-NEXT: retq
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%ret = tail call double @llvm.powi.f64(double %a, i32 15) nounwind ; <double> [#uses=1]
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ret double %ret
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}
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define double @pow_wrapper_optsize(double %a) optsize {
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; CHECK-LABEL: pow_wrapper_optsize:
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; CHECK: # BB#0:
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; CHECK-NEXT: movl $15, %edi
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; CHECK-NEXT: jmp
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%ret = tail call double @llvm.powi.f64(double %a, i32 15) nounwind ; <double> [#uses=1]
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ret double %ret
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}
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define double @pow_wrapper_minsize(double %a) minsize {
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; CHECK-LABEL: pow_wrapper_minsize:
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; CHECK: # BB#0:
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; CHECK-NEXT: pushq $15
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; CHECK: popq %rdi
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; CHECK: jmp
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%ret = tail call double @llvm.powi.f64(double %a, i32 15) nounwind ; <double> [#uses=1]
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ret double %ret
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}
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declare double @llvm.powi.f64(double, i32) nounwind readonly
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