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45137f954f
The pass emits a call to sqrt that has attribute "read-none". This call will be converted to an ISD::FSQRT node during DAG construction, which will turn into a mips native sqrt instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183802 91177308-0d34-0410-b5e6-96231b3b80d8
33 lines
834 B
LLVM
33 lines
834 B
LLVM
; RUN: llc -march=mipsel < %s | FileCheck %s -check-prefix=32
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; RUN: llc -march=mips64el -mcpu=mips64 < %s | FileCheck %s -check-prefix=64
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; 32: test_sqrtf_float_:
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; 32: sqrt.s $f[[R0:[0-9]+]], $f{{[0-9]+}}
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; 32: c.un.s $f[[R0]], $f[[R0]]
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; 64: test_sqrtf_float_:
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; 64: sqrt.s $f[[R0:[0-9]+]], $f{{[0-9]+}}
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; 64: c.un.s $f[[R0]], $f[[R0]]
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define float @test_sqrtf_float_(float %a) {
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entry:
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%call = tail call float @sqrtf(float %a)
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ret float %call
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}
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declare float @sqrtf(float)
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; 32: test_sqrt_double_:
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; 32: sqrt.d $f[[R0:[0-9]+]], $f{{[0-9]+}}
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; 32: c.un.d $f[[R0]], $f[[R0]]
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; 64: test_sqrt_double_:
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; 64: sqrt.d $f[[R0:[0-9]+]], $f{{[0-9]+}}
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; 64: c.un.d $f[[R0]], $f[[R0]]
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define double @test_sqrt_double_(double %a) {
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entry:
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%call = tail call double @sqrt(double %a)
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ret double %call
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}
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declare double @sqrt(double)
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