1*9880d681SAndroid Build Coastguard Worker; RUN: llc -O0 -disable-fp-elim -mtriple=powerpc-unknown-linux-gnu -mcpu=g5 < %s | FileCheck %s -check-prefix=PPC32 2*9880d681SAndroid Build Coastguard Worker; RUN: llc -O0 -mtriple=powerpc64-unknown-linux-gnu -mcpu=g5 < %s | FileCheck %s -check-prefix=PPC64 3*9880d681SAndroid Build Coastguard Worker; RUN: llc -O0 -mtriple=powerpc64le-unknown-linux-gnu -verify-machineinstrs < %s | FileCheck %s -check-prefix=PPC64-ELFv2 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Workerdeclare void @foo() 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Workerdefine i32 @test_cr2() nounwind uwtable { 8*9880d681SAndroid Build Coastguard Workerentry: 9*9880d681SAndroid Build Coastguard Worker %ret = alloca i32, align 4 10*9880d681SAndroid Build Coastguard Worker %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 11*9880d681SAndroid Build Coastguard Worker store i32 %0, i32* %ret, align 4 12*9880d681SAndroid Build Coastguard Worker call void @foo() 13*9880d681SAndroid Build Coastguard Worker %1 = load i32, i32* %ret, align 4 14*9880d681SAndroid Build Coastguard Worker ret i32 %1 15*9880d681SAndroid Build Coastguard Worker} 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard Worker; PPC32: stw 31, -4(1) 18*9880d681SAndroid Build Coastguard Worker; PPC32: stwu 1, -32(1) 19*9880d681SAndroid Build Coastguard Worker; PPC32: mfcr 12 20*9880d681SAndroid Build Coastguard Worker; PPC32-NEXT: stw 12, 24(31) 21*9880d681SAndroid Build Coastguard Worker; PPC32: lwz 12, 24(31) 22*9880d681SAndroid Build Coastguard Worker; PPC32-NEXT: mtocrf 32, 12 23*9880d681SAndroid Build Coastguard Worker 24*9880d681SAndroid Build Coastguard Worker; PPC64: .cfi_startproc 25*9880d681SAndroid Build Coastguard Worker; PPC64: mfcr 12 26*9880d681SAndroid Build Coastguard Worker; PPC64: stw 12, 8(1) 27*9880d681SAndroid Build Coastguard Worker; PPC64: stdu 1, -[[AMT:[0-9]+]](1) 28*9880d681SAndroid Build Coastguard Worker; PPC64: .cfi_def_cfa_offset 128 29*9880d681SAndroid Build Coastguard Worker; PPC64: .cfi_offset lr, 16 30*9880d681SAndroid Build Coastguard Worker; PPC64: .cfi_offset cr2, 8 31*9880d681SAndroid Build Coastguard Worker; PPC64: addi 1, 1, [[AMT]] 32*9880d681SAndroid Build Coastguard Worker; PPC64: lwz 12, 8(1) 33*9880d681SAndroid Build Coastguard Worker; PPC64: mtocrf 32, 12 34*9880d681SAndroid Build Coastguard Worker; PPC64: .cfi_endproc 35*9880d681SAndroid Build Coastguard Worker 36*9880d681SAndroid Build Coastguard Workerdefine i32 @test_cr234() nounwind { 37*9880d681SAndroid Build Coastguard Workerentry: 38*9880d681SAndroid Build Coastguard Worker %ret = alloca i32, align 4 39*9880d681SAndroid Build Coastguard Worker %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 40*9880d681SAndroid Build Coastguard Worker store i32 %0, i32* %ret, align 4 41*9880d681SAndroid Build Coastguard Worker call void @foo() 42*9880d681SAndroid Build Coastguard Worker %1 = load i32, i32* %ret, align 4 43*9880d681SAndroid Build Coastguard Worker ret i32 %1 44*9880d681SAndroid Build Coastguard Worker} 45*9880d681SAndroid Build Coastguard Worker 46*9880d681SAndroid Build Coastguard Worker; PPC32: stw 31, -4(1) 47*9880d681SAndroid Build Coastguard Worker; PPC32: stwu 1, -32(1) 48*9880d681SAndroid Build Coastguard Worker; PPC32: mfcr 12 49*9880d681SAndroid Build Coastguard Worker; PPC32-NEXT: stw 12, 24(31) 50*9880d681SAndroid Build Coastguard Worker; PPC32: lwz 12, 24(31) 51*9880d681SAndroid Build Coastguard Worker; PPC32-NEXT: mtocrf 32, 12 52*9880d681SAndroid Build Coastguard Worker; PPC32-NEXT: mtocrf 16, 12 53*9880d681SAndroid Build Coastguard Worker; PPC32-NEXT: mtocrf 8, 12 54*9880d681SAndroid Build Coastguard Worker 55*9880d681SAndroid Build Coastguard Worker; PPC64: mfcr 12 56*9880d681SAndroid Build Coastguard Worker; PPC64: stw 12, 8(1) 57*9880d681SAndroid Build Coastguard Worker; PPC64: stdu 1, -[[AMT:[0-9]+]](1) 58*9880d681SAndroid Build Coastguard Worker; PPC64: addi 1, 1, [[AMT]] 59*9880d681SAndroid Build Coastguard Worker; PPC64: lwz 12, 8(1) 60*9880d681SAndroid Build Coastguard Worker; PPC64: mtocrf 32, 12 61*9880d681SAndroid Build Coastguard Worker; PPC64: mtocrf 16, 12 62*9880d681SAndroid Build Coastguard Worker; PPC64: mtocrf 8, 12 63*9880d681SAndroid Build Coastguard Worker 64*9880d681SAndroid Build Coastguard Worker; Generate mfocrf in prologue when we need to save 1 nonvolatile CR field 65*9880d681SAndroid Build Coastguard Workerdefine void @cloberOneNvCrField() { 66*9880d681SAndroid Build Coastguard Workerentry: 67*9880d681SAndroid Build Coastguard Worker tail call void asm sideeffect "# clobbers", "~{cr2}"() 68*9880d681SAndroid Build Coastguard Worker ret void 69*9880d681SAndroid Build Coastguard Worker 70*9880d681SAndroid Build Coastguard Worker; PPC64-ELFv2-LABEL: @cloberOneNvCrField 71*9880d681SAndroid Build Coastguard Worker; PPC64-ELFv2: mfocrf [[REG1:[0-9]+]], 32 72*9880d681SAndroid Build Coastguard Worker} 73*9880d681SAndroid Build Coastguard Worker 74*9880d681SAndroid Build Coastguard Worker; Generate mfcr in prologue when we need to save all nonvolatile CR field 75*9880d681SAndroid Build Coastguard Workerdefine void @cloberAllNvCrField() { 76*9880d681SAndroid Build Coastguard Workerentry: 77*9880d681SAndroid Build Coastguard Worker tail call void asm sideeffect "# clobbers", "~{cr2},~{cr3},~{cr4}"() 78*9880d681SAndroid Build Coastguard Worker ret void 79*9880d681SAndroid Build Coastguard Worker 80*9880d681SAndroid Build Coastguard Worker; PPC64-ELFv2-LABEL: @cloberAllNvCrField 81*9880d681SAndroid Build Coastguard Worker; PPC64-ELFv2: mfcr [[REG1:[0-9]+]] 82*9880d681SAndroid Build Coastguard Worker} 83