323 lines
9.6 KiB
LLVM
323 lines
9.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
|
|
; RUN: llc -O0 -frame-pointer=all -mtriple=powerpc-unknown-linux-gnu -mcpu=g5 < %s | FileCheck %s -check-prefix=PPC32
|
|
; RUN: llc -O0 -mtriple=powerpc64-unknown-linux-gnu -mcpu=g5 < %s | FileCheck %s -check-prefix=PPC64
|
|
; RUN: llc -O0 -mtriple=powerpc64le-unknown-linux-gnu -verify-machineinstrs < %s | FileCheck %s -check-prefix=PPC64-ELFv2
|
|
|
|
declare void @foo()
|
|
|
|
define i32 @test_cr2() nounwind uwtable {
|
|
; PPC32-LABEL: test_cr2:
|
|
; PPC32: # %bb.0: # %entry
|
|
; PPC32-NEXT: mflr 0
|
|
; PPC32-NEXT: stwu 1, -32(1)
|
|
; PPC32-NEXT: stw 31, 28(1)
|
|
; PPC32-NEXT: stw 0, 36(1)
|
|
; PPC32-NEXT: .cfi_def_cfa_offset 32
|
|
; PPC32-NEXT: .cfi_offset r31, -4
|
|
; PPC32-NEXT: .cfi_offset lr, 4
|
|
; PPC32-NEXT: mr 31, 1
|
|
; PPC32-NEXT: .cfi_def_cfa_register r31
|
|
; PPC32-NEXT: .cfi_offset cr2, -8
|
|
; PPC32-NEXT: mfcr 12
|
|
; PPC32-NEXT: stw 12, 24(31)
|
|
; PPC32-NEXT: li 3, 1
|
|
; PPC32-NEXT: li 4, 2
|
|
; PPC32-NEXT: li 5, 3
|
|
; PPC32-NEXT: li 6, 0
|
|
; PPC32-NEXT: #APP
|
|
; PPC32-EMPTY:
|
|
; PPC32-NEXT: mtcr 6
|
|
; PPC32-NEXT: cmpw 2, 4, 3
|
|
; PPC32-NEXT: mfcr 3
|
|
; PPC32-NEXT: #NO_APP
|
|
; PPC32-NEXT: stw 3, 20(31)
|
|
; PPC32-NEXT: bl foo
|
|
; PPC32-NEXT: lwz 3, 20(31)
|
|
; PPC32-NEXT: lwz 12, 24(31)
|
|
; PPC32-NEXT: mtocrf 32, 12
|
|
; PPC32-NEXT: lwz 0, 36(1)
|
|
; PPC32-NEXT: lwz 31, 28(1)
|
|
; PPC32-NEXT: addi 1, 1, 32
|
|
; PPC32-NEXT: mtlr 0
|
|
; PPC32-NEXT: blr
|
|
;
|
|
; PPC64-LABEL: test_cr2:
|
|
; PPC64: # %bb.0: # %entry
|
|
; PPC64-NEXT: mflr 0
|
|
; PPC64-NEXT: mfcr 12
|
|
; PPC64-NEXT: stw 12, 8(1)
|
|
; PPC64-NEXT: stdu 1, -128(1)
|
|
; PPC64-NEXT: std 0, 144(1)
|
|
; PPC64-NEXT: .cfi_def_cfa_offset 128
|
|
; PPC64-NEXT: .cfi_offset lr, 16
|
|
; PPC64-NEXT: .cfi_offset cr2, 8
|
|
; PPC64-NEXT: li 3, 1
|
|
; PPC64-NEXT: li 4, 2
|
|
; PPC64-NEXT: li 5, 3
|
|
; PPC64-NEXT: li 6, 0
|
|
; PPC64-NEXT: #APP
|
|
; PPC64-EMPTY:
|
|
; PPC64-NEXT: mtcr 6
|
|
; PPC64-NEXT: cmpw 2, 4, 3
|
|
; PPC64-NEXT: mfcr 3
|
|
; PPC64-NEXT: #NO_APP
|
|
; PPC64-NEXT: stw 3, 124(1)
|
|
; PPC64-NEXT: bl foo
|
|
; PPC64-NEXT: nop
|
|
; PPC64-NEXT: lwz 3, 124(1)
|
|
; PPC64-NEXT: addi 1, 1, 128
|
|
; PPC64-NEXT: ld 0, 16(1)
|
|
; PPC64-NEXT: lwz 12, 8(1)
|
|
; PPC64-NEXT: mtocrf 32, 12
|
|
; PPC64-NEXT: mtlr 0
|
|
; PPC64-NEXT: blr
|
|
;
|
|
; PPC64-ELFv2-LABEL: test_cr2:
|
|
; PPC64-ELFv2: # %bb.0: # %entry
|
|
; PPC64-ELFv2-NEXT: mflr 0
|
|
; PPC64-ELFv2-NEXT: mfocrf 12, 32
|
|
; PPC64-ELFv2-NEXT: stw 12, 8(1)
|
|
; PPC64-ELFv2-NEXT: stdu 1, -112(1)
|
|
; PPC64-ELFv2-NEXT: std 0, 128(1)
|
|
; PPC64-ELFv2-NEXT: .cfi_def_cfa_offset 112
|
|
; PPC64-ELFv2-NEXT: .cfi_offset lr, 16
|
|
; PPC64-ELFv2-NEXT: .cfi_offset cr2, 8
|
|
; PPC64-ELFv2-NEXT: li 3, 1
|
|
; PPC64-ELFv2-NEXT: li 4, 2
|
|
; PPC64-ELFv2-NEXT: li 5, 3
|
|
; PPC64-ELFv2-NEXT: li 6, 0
|
|
; PPC64-ELFv2-NEXT: #APP
|
|
; PPC64-ELFv2-EMPTY:
|
|
; PPC64-ELFv2-NEXT: mtcr 6
|
|
; PPC64-ELFv2-NEXT: cmpw 2, 4, 3
|
|
; PPC64-ELFv2-NEXT: mfcr 3
|
|
; PPC64-ELFv2-NEXT: #NO_APP
|
|
; PPC64-ELFv2-NEXT: stw 3, 108(1)
|
|
; PPC64-ELFv2-NEXT: bl foo
|
|
; PPC64-ELFv2-NEXT: nop
|
|
; PPC64-ELFv2-NEXT: lwz 3, 108(1)
|
|
; PPC64-ELFv2-NEXT: addi 1, 1, 112
|
|
; PPC64-ELFv2-NEXT: ld 0, 16(1)
|
|
; PPC64-ELFv2-NEXT: lwz 12, 8(1)
|
|
; PPC64-ELFv2-NEXT: mtocrf 32, 12
|
|
; PPC64-ELFv2-NEXT: mtlr 0
|
|
; PPC64-ELFv2-NEXT: blr
|
|
entry:
|
|
%ret = alloca i32, align 4
|
|
%0 = call i32 asm sideeffect "\0A\09mtcr $4\0A\09cmpw 2,$2,$1\0A\09mfcr $0", "=r,r,r,r,r,~{cr2}"(i32 1, i32 2, i32 3, i32 0) nounwind
|
|
store i32 %0, ptr %ret, align 4
|
|
call void @foo()
|
|
%1 = load i32, ptr %ret, align 4
|
|
ret i32 %1
|
|
}
|
|
|
|
define i32 @test_cr234() nounwind {
|
|
; PPC32-LABEL: test_cr234:
|
|
; PPC32: # %bb.0: # %entry
|
|
; PPC32-NEXT: mflr 0
|
|
; PPC32-NEXT: stwu 1, -32(1)
|
|
; PPC32-NEXT: stw 31, 28(1)
|
|
; PPC32-NEXT: stw 0, 36(1)
|
|
; PPC32-NEXT: mr 31, 1
|
|
; PPC32-NEXT: mfcr 12
|
|
; PPC32-NEXT: stw 12, 24(31)
|
|
; PPC32-NEXT: li 3, 1
|
|
; PPC32-NEXT: li 4, 2
|
|
; PPC32-NEXT: li 5, 3
|
|
; PPC32-NEXT: li 6, 0
|
|
; PPC32-NEXT: #APP
|
|
; PPC32-EMPTY:
|
|
; PPC32-NEXT: mtcr 6
|
|
; PPC32-NEXT: cmpw 2, 4, 3
|
|
; PPC32-NEXT: cmpw 3, 4, 4
|
|
; PPC32-NEXT: cmpw 4, 4, 5
|
|
; PPC32-NEXT: mfcr 3
|
|
; PPC32-NEXT: #NO_APP
|
|
; PPC32-NEXT: stw 3, 20(31)
|
|
; PPC32-NEXT: bl foo
|
|
; PPC32-NEXT: lwz 3, 20(31)
|
|
; PPC32-NEXT: lwz 12, 24(31)
|
|
; PPC32-NEXT: mtocrf 32, 12
|
|
; PPC32-NEXT: mtocrf 16, 12
|
|
; PPC32-NEXT: mtocrf 8, 12
|
|
; PPC32-NEXT: lwz 0, 36(1)
|
|
; PPC32-NEXT: lwz 31, 28(1)
|
|
; PPC32-NEXT: addi 1, 1, 32
|
|
; PPC32-NEXT: mtlr 0
|
|
; PPC32-NEXT: blr
|
|
;
|
|
; PPC64-LABEL: test_cr234:
|
|
; PPC64: # %bb.0: # %entry
|
|
; PPC64-NEXT: mflr 0
|
|
; PPC64-NEXT: mfcr 12
|
|
; PPC64-NEXT: stw 12, 8(1)
|
|
; PPC64-NEXT: stdu 1, -128(1)
|
|
; PPC64-NEXT: std 0, 144(1)
|
|
; PPC64-NEXT: li 3, 1
|
|
; PPC64-NEXT: li 4, 2
|
|
; PPC64-NEXT: li 5, 3
|
|
; PPC64-NEXT: li 6, 0
|
|
; PPC64-NEXT: #APP
|
|
; PPC64-EMPTY:
|
|
; PPC64-NEXT: mtcr 6
|
|
; PPC64-NEXT: cmpw 2, 4, 3
|
|
; PPC64-NEXT: cmpw 3, 4, 4
|
|
; PPC64-NEXT: cmpw 4, 4, 5
|
|
; PPC64-NEXT: mfcr 3
|
|
; PPC64-NEXT: #NO_APP
|
|
; PPC64-NEXT: stw 3, 124(1)
|
|
; PPC64-NEXT: bl foo
|
|
; PPC64-NEXT: nop
|
|
; PPC64-NEXT: lwz 3, 124(1)
|
|
; PPC64-NEXT: addi 1, 1, 128
|
|
; PPC64-NEXT: ld 0, 16(1)
|
|
; PPC64-NEXT: lwz 12, 8(1)
|
|
; PPC64-NEXT: mtocrf 32, 12
|
|
; PPC64-NEXT: mtocrf 16, 12
|
|
; PPC64-NEXT: mtocrf 8, 12
|
|
; PPC64-NEXT: mtlr 0
|
|
; PPC64-NEXT: blr
|
|
;
|
|
; PPC64-ELFv2-LABEL: test_cr234:
|
|
; PPC64-ELFv2: # %bb.0: # %entry
|
|
; PPC64-ELFv2-NEXT: mflr 0
|
|
; PPC64-ELFv2-NEXT: mfcr 12
|
|
; PPC64-ELFv2-NEXT: stw 12, 8(1)
|
|
; PPC64-ELFv2-NEXT: stdu 1, -112(1)
|
|
; PPC64-ELFv2-NEXT: std 0, 128(1)
|
|
; PPC64-ELFv2-NEXT: li 3, 1
|
|
; PPC64-ELFv2-NEXT: li 4, 2
|
|
; PPC64-ELFv2-NEXT: li 5, 3
|
|
; PPC64-ELFv2-NEXT: li 6, 0
|
|
; PPC64-ELFv2-NEXT: #APP
|
|
; PPC64-ELFv2-EMPTY:
|
|
; PPC64-ELFv2-NEXT: mtcr 6
|
|
; PPC64-ELFv2-NEXT: cmpw 2, 4, 3
|
|
; PPC64-ELFv2-NEXT: cmpw 3, 4, 4
|
|
; PPC64-ELFv2-NEXT: cmpw 4, 4, 5
|
|
; PPC64-ELFv2-NEXT: mfcr 3
|
|
; PPC64-ELFv2-NEXT: #NO_APP
|
|
; PPC64-ELFv2-NEXT: stw 3, 108(1)
|
|
; PPC64-ELFv2-NEXT: bl foo
|
|
; PPC64-ELFv2-NEXT: nop
|
|
; PPC64-ELFv2-NEXT: lwz 3, 108(1)
|
|
; PPC64-ELFv2-NEXT: addi 1, 1, 112
|
|
; PPC64-ELFv2-NEXT: ld 0, 16(1)
|
|
; PPC64-ELFv2-NEXT: lwz 12, 8(1)
|
|
; PPC64-ELFv2-NEXT: mtocrf 32, 12
|
|
; PPC64-ELFv2-NEXT: mtocrf 16, 12
|
|
; PPC64-ELFv2-NEXT: mtocrf 8, 12
|
|
; PPC64-ELFv2-NEXT: mtlr 0
|
|
; PPC64-ELFv2-NEXT: blr
|
|
entry:
|
|
%ret = alloca i32, align 4
|
|
%0 = call i32 asm sideeffect "\0A\09mtcr $4\0A\09cmpw 2,$2,$1\0A\09cmpw 3,$2,$2\0A\09cmpw 4,$2,$3\0A\09mfcr $0", "=r,r,r,r,r,~{cr2},~{cr3},~{cr4}"(i32 1, i32 2, i32 3, i32 0) nounwind
|
|
store i32 %0, ptr %ret, align 4
|
|
call void @foo()
|
|
%1 = load i32, ptr %ret, align 4
|
|
ret i32 %1
|
|
}
|
|
|
|
; Generate mfocrf in prologue when we need to save 1 nonvolatile CR field
|
|
define void @cloberOneNvCrField() {
|
|
; PPC32-LABEL: cloberOneNvCrField:
|
|
; PPC32: # %bb.0: # %entry
|
|
; PPC32-NEXT: stwu 1, -32(1)
|
|
; PPC32-NEXT: stw 31, 28(1)
|
|
; PPC32-NEXT: .cfi_def_cfa_offset 32
|
|
; PPC32-NEXT: .cfi_offset r31, -4
|
|
; PPC32-NEXT: mr 31, 1
|
|
; PPC32-NEXT: .cfi_def_cfa_register r31
|
|
; PPC32-NEXT: .cfi_offset cr2, -8
|
|
; PPC32-NEXT: mfcr 12
|
|
; PPC32-NEXT: stw 12, 24(31)
|
|
; PPC32-NEXT: #APP
|
|
; PPC32-NEXT: # clobbers
|
|
; PPC32-NEXT: #NO_APP
|
|
; PPC32-NEXT: lwz 12, 24(31)
|
|
; PPC32-NEXT: mtocrf 32, 12
|
|
; PPC32-NEXT: lwz 31, 28(1)
|
|
; PPC32-NEXT: addi 1, 1, 32
|
|
; PPC32-NEXT: blr
|
|
;
|
|
; PPC64-LABEL: cloberOneNvCrField:
|
|
; PPC64: # %bb.0: # %entry
|
|
; PPC64-NEXT: mfcr 12
|
|
; PPC64-NEXT: stw 12, 8(1)
|
|
; PPC64-NEXT: #APP
|
|
; PPC64-NEXT: # clobbers
|
|
; PPC64-NEXT: #NO_APP
|
|
; PPC64-NEXT: lwz 12, 8(1)
|
|
; PPC64-NEXT: mtocrf 32, 12
|
|
; PPC64-NEXT: blr
|
|
;
|
|
; PPC64-ELFv2-LABEL: cloberOneNvCrField:
|
|
; PPC64-ELFv2: # %bb.0: # %entry
|
|
; PPC64-ELFv2-NEXT: mfocrf 12, 32
|
|
; PPC64-ELFv2-NEXT: stw 12, 8(1)
|
|
; PPC64-ELFv2-NEXT: #APP
|
|
; PPC64-ELFv2-NEXT: # clobbers
|
|
; PPC64-ELFv2-NEXT: #NO_APP
|
|
; PPC64-ELFv2-NEXT: lwz 12, 8(1)
|
|
; PPC64-ELFv2-NEXT: mtocrf 32, 12
|
|
; PPC64-ELFv2-NEXT: blr
|
|
entry:
|
|
tail call void asm sideeffect "# clobbers", "~{cr2}"()
|
|
ret void
|
|
}
|
|
|
|
; Generate mfcr in prologue when we need to save all nonvolatile CR field
|
|
define void @cloberAllNvCrField() {
|
|
; PPC32-LABEL: cloberAllNvCrField:
|
|
; PPC32: # %bb.0: # %entry
|
|
; PPC32-NEXT: stwu 1, -32(1)
|
|
; PPC32-NEXT: stw 31, 28(1)
|
|
; PPC32-NEXT: .cfi_def_cfa_offset 32
|
|
; PPC32-NEXT: .cfi_offset r31, -4
|
|
; PPC32-NEXT: mr 31, 1
|
|
; PPC32-NEXT: .cfi_def_cfa_register r31
|
|
; PPC32-NEXT: .cfi_offset cr2, -8
|
|
; PPC32-NEXT: .cfi_offset cr3, -8
|
|
; PPC32-NEXT: .cfi_offset cr4, -8
|
|
; PPC32-NEXT: mfcr 12
|
|
; PPC32-NEXT: stw 12, 24(31)
|
|
; PPC32-NEXT: #APP
|
|
; PPC32-NEXT: # clobbers
|
|
; PPC32-NEXT: #NO_APP
|
|
; PPC32-NEXT: lwz 12, 24(31)
|
|
; PPC32-NEXT: mtocrf 32, 12
|
|
; PPC32-NEXT: mtocrf 16, 12
|
|
; PPC32-NEXT: mtocrf 8, 12
|
|
; PPC32-NEXT: lwz 31, 28(1)
|
|
; PPC32-NEXT: addi 1, 1, 32
|
|
; PPC32-NEXT: blr
|
|
;
|
|
; PPC64-LABEL: cloberAllNvCrField:
|
|
; PPC64: # %bb.0: # %entry
|
|
; PPC64-NEXT: mfcr 12
|
|
; PPC64-NEXT: stw 12, 8(1)
|
|
; PPC64-NEXT: #APP
|
|
; PPC64-NEXT: # clobbers
|
|
; PPC64-NEXT: #NO_APP
|
|
; PPC64-NEXT: lwz 12, 8(1)
|
|
; PPC64-NEXT: mtocrf 32, 12
|
|
; PPC64-NEXT: mtocrf 16, 12
|
|
; PPC64-NEXT: mtocrf 8, 12
|
|
; PPC64-NEXT: blr
|
|
;
|
|
; PPC64-ELFv2-LABEL: cloberAllNvCrField:
|
|
; PPC64-ELFv2: # %bb.0: # %entry
|
|
; PPC64-ELFv2-NEXT: mfcr 12
|
|
; PPC64-ELFv2-NEXT: stw 12, 8(1)
|
|
; PPC64-ELFv2-NEXT: #APP
|
|
; PPC64-ELFv2-NEXT: # clobbers
|
|
; PPC64-ELFv2-NEXT: #NO_APP
|
|
; PPC64-ELFv2-NEXT: lwz 12, 8(1)
|
|
; PPC64-ELFv2-NEXT: mtocrf 32, 12
|
|
; PPC64-ELFv2-NEXT: mtocrf 16, 12
|
|
; PPC64-ELFv2-NEXT: mtocrf 8, 12
|
|
; PPC64-ELFv2-NEXT: blr
|
|
entry:
|
|
tail call void asm sideeffect "# clobbers", "~{cr2},~{cr3},~{cr4}"()
|
|
ret void
|
|
}
|