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