1 ; RUN: llc -O0 -disable-fp-elim -mtriple=powerpc-unknown-linux-gnu < %s | FileCheck %s -check-prefix=PPC32 2 ; RUN: llc -O0 -disable-fp-elim -mtriple=powerpc64-unknown-linux-gnu < %s | FileCheck %s -check-prefix=PPC64 3 4 declare void @foo() 5 6 define i32 @test_cr2() nounwind { 7 entry: 8 %ret = alloca i32, align 4 9 %0 = call i32 asm sideeffect "\0A\09mtcr $4\0A\09cmp 2,$2,$1\0A\09mfcr $0", "=r,r,r,r,r,~{cr2}"(i32 1, i32 2, i32 3, i32 0) nounwind 10 store i32 %0, i32* %ret, align 4 11 call void @foo() 12 %1 = load i32* %ret, align 4 13 ret i32 %1 14 } 15 16 ; PPC32: mfcr 12 17 ; PPC32-NEXT: stw 12, {{[0-9]+}}(31) 18 ; PPC32: lwz 12, {{[0-9]+}}(31) 19 ; PPC32-NEXT: mtcrf 32, 12 20 21 ; PPC64: mfcr 12 22 ; PPC64-NEXT: stw 12, 8(1) 23 ; PPC64: lwz 12, 8(1) 24 ; PPC64-NEXT: mtcrf 32, 12 25 26 define i32 @test_cr234() nounwind { 27 entry: 28 %ret = alloca i32, align 4 29 %0 = call i32 asm sideeffect "\0A\09mtcr $4\0A\09cmp 2,$2,$1\0A\09cmp 3,$2,$2\0A\09cmp 4,$2,$3\0A\09mfcr $0", "=r,r,r,r,r,~{cr2},~{cr3},~{cr4}"(i32 1, i32 2, i32 3, i32 0) nounwind 30 store i32 %0, i32* %ret, align 4 31 call void @foo() 32 %1 = load i32* %ret, align 4 33 ret i32 %1 34 } 35 36 ; PPC32: mfcr 12 37 ; PPC32-NEXT: stw 12, {{[0-9]+}}(31) 38 ; PPC32: lwz 12, {{[0-9]+}}(31) 39 ; PPC32-NEXT: mtcrf 32, 12 40 ; PPC32-NEXT: mtcrf 16, 12 41 ; PPC32-NEXT: mtcrf 8, 12 42 43 ; PPC64: mfcr 12 44 ; PPC64-NEXT: stw 12, 8(1) 45 ; PPC64: lwz 12, 8(1) 46 ; PPC64-NEXT: mtcrf 32, 12 47 ; PPC64-NEXT: mtcrf 16, 12 48 ; PPC64-NEXT: mtcrf 8, 12 49 50
