43 lines
1.1 KiB
LLVM
43 lines
1.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -O0 -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s
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; xscvdpsxds should NOT be emitted, since it saturates the result down to i64.
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; We can't use friz here because it may return -0.0 where the original code doesn't.
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define float @f_i128_f(float %v) nounwind {
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; CHECK-LABEL: f_i128_f:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: mflr 0
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; CHECK-NEXT: std 0, 16(1)
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; CHECK-NEXT: stdu 1, -32(1)
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; CHECK-NEXT: bl __fixsfti
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; CHECK-NEXT: nop
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; CHECK-NEXT: bl __floattisf
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; CHECK-NEXT: nop
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; CHECK-NEXT: addi 1, 1, 32
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; CHECK-NEXT: ld 0, 16(1)
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; CHECK-NEXT: mtlr 0
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; CHECK-NEXT: blr
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entry:
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%a = fptosi float %v to i128
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%b = sitofp i128 %a to float
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ret float %b
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}
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; NSZ, so it's safe to friz.
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define float @f_i128_fi_nsz(float %v) #0 {
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; CHECK-LABEL: f_i128_fi_nsz:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: xsrdpiz 0, 1
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; CHECK-NEXT: fmr 1, 0
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; CHECK-NEXT: blr
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entry:
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%a = fptosi float %v to i128
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%b = sitofp i128 %a to float
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ret float %b
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}
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attributes #0 = { "no-signed-zeros-fp-math"="true" }
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