xref: /aosp_15_r20/external/llvm/test/CodeGen/PowerPC/no-extra-fp-conv-ldst.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)

; RUN: llc -mcpu=a2 < %s | FileCheck %s
target datalayout = "E-m:e-i64:64-n32:64"
target triple = "powerpc64-unknown-linux-gnu"

; Function Attrs: nounwind readonly
define double @test1(i64* nocapture readonly %x) #0 {
entry:
  %0 = load i64, i64* %x, align 8
  %conv = sitofp i64 %0 to double
  ret double %conv

; CHECK-LABEL: @test1
; CHECK: lfd [[REG1:[0-9]+]], 0(3)
; CHECK: fcfid 1, [[REG1]]
; CHECK: blr
}

; Function Attrs: nounwind readonly
define double @test2(i32* nocapture readonly %x) #0 {
entry:
  %0 = load i32, i32* %x, align 4
  %conv = sitofp i32 %0 to double
  ret double %conv

; CHECK-LABEL: @test2
; CHECK: lfiwax [[REG1:[0-9]+]], 0, 3
; CHECK: fcfid 1, [[REG1]]
; CHECK: blr
}

; Function Attrs: nounwind readnone
define float @foo(float %X) #0 {
entry:
  %conv = fptosi float %X to i32
  %conv1 = sitofp i32 %conv to float
  ret float %conv1

; CHECK-LABEL: @foo
; CHECK-DAG: fctiwz [[REG2:[0-9]+]], 1
; CHECK-DAG: addi [[REG1:[0-9]+]], 1,
; CHECK: stfiwx [[REG2]], 0, [[REG1]]
; CHECK: lfiwax [[REG3:[0-9]+]], 0, [[REG1]]
; CHECK: fcfids 1, [[REG3]]
; CHECK: blr
}

; Function Attrs: nounwind readnone
define double @food(double %X) #0 {
entry:
  %conv = fptosi double %X to i32
  %conv1 = sitofp i32 %conv to double
  ret double %conv1

; CHECK-LABEL: @food
; CHECK-DAG: fctiwz [[REG2:[0-9]+]], 1
; CHECK-DAG: addi [[REG1:[0-9]+]], 1,
; CHECK: stfiwx [[REG2]], 0, [[REG1]]
; CHECK: lfiwax [[REG3:[0-9]+]], 0, [[REG1]]
; CHECK: fcfid 1, [[REG3]]
; CHECK: blr
}

; Function Attrs: nounwind readnone
define float @foou(float %X) #0 {
entry:
  %conv = fptoui float %X to i32
  %conv1 = uitofp i32 %conv to float
  ret float %conv1

; CHECK-LABEL: @foou
; CHECK-DAG: fctiwuz [[REG2:[0-9]+]], 1
; CHECK-DAG: addi [[REG1:[0-9]+]], 1,
; CHECK: stfiwx [[REG2]], 0, [[REG1]]
; CHECK: lfiwzx [[REG3:[0-9]+]], 0, [[REG1]]
; CHECK: fcfidus 1, [[REG3]]
; CHECK: blr
}

; Function Attrs: nounwind readnone
define double @fooud(double %X) #0 {
entry:
  %conv = fptoui double %X to i32
  %conv1 = uitofp i32 %conv to double
  ret double %conv1

; CHECK-LABEL: @fooud
; CHECK-DAG: fctiwuz [[REG2:[0-9]+]], 1
; CHECK-DAG: addi [[REG1:[0-9]+]], 1,
; CHECK: stfiwx [[REG2]], 0, [[REG1]]
; CHECK: lfiwzx [[REG3:[0-9]+]], 0, [[REG1]]
; CHECK: fcfidu 1, [[REG3]]
; CHECK: blr
}

attributes #0 = { nounwind readonly }