uitofp.ll
1012 Bytes
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -march=mips -mattr=+single-float < %s | FileCheck %s
define void @f0() nounwind {
; CHECK-LABEL: f0:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: addiu $sp, $sp, -8
; CHECK-NEXT: addiu $1, $zero, 1
; CHECK-NEXT: sw $1, 4($sp)
; CHECK-NEXT: lw $1, 4($sp)
; CHECK-NEXT: srl $2, $1, 1
; CHECK-NEXT: andi $3, $1, 1
; CHECK-NEXT: or $2, $3, $2
; CHECK-NEXT: mtc1 $2, $f0
; CHECK-NEXT: cvt.s.w $f0, $f0
; CHECK-NEXT: add.s $f0, $f0, $f0
; CHECK-NEXT: mtc1 $1, $f1
; CHECK-NEXT: cvt.s.w $f1, $f1
; CHECK-NEXT: slti $1, $1, 0
; CHECK-NEXT: movn.s $f1, $f0, $1
; CHECK-NEXT: swc1 $f1, 0($sp)
; CHECK-NEXT: jr $ra
; CHECK-NEXT: addiu $sp, $sp, 8
entry:
%b = alloca i32, align 4
%a = alloca float, align 4
store volatile i32 1, i32* %b, align 4
%0 = load volatile i32, i32* %b, align 4
%conv = uitofp i32 %0 to float
store float %conv, float* %a, align 4
ret void
}