;RUN: llc -mtriple=x86_64-unknown-unknown -filetype=asm -x86-asm-syntax=intel < %s | FileCheck %s --check-prefix=CHECK ;PR34617 ;Compile it with: "clang -O1 -emit-llvm" ;char X[4]; ;volatile char* PX; ;char Y[4]; ;volatile char* PY; ;char Z[4]; ;volatile char* PZ; ;char* test057(long long x) { ; asm ("movq %1, %%rax;" ; "movq %%rax, %0;" ; "pushq $Y;" ; "popq %%rcx;" ; "movq %%rcx, PY;" ; "movq $X, %%rdx;" ; "movq %%rdx, PX;" ; :"=r"(PZ) ; :"p"(Z) ; :"%rax", "%rcx", "%rdx" ; ); ; return (char*)PZ; ;} ; CHECK: mov rax, offset Z ; CHECK: push offset Y ; CHECK: pop rcx ; CHECK: mov qword ptr [PY], rcx ; CHECK: mov rdx, offset X ; CHECK: mov qword ptr [PX], rdx @PZ = common global i8* null, align 8 @Z = common global [4 x i8] zeroinitializer, align 1 @X = common global [4 x i8] zeroinitializer, align 1 @PX = common global i8* null, align 8 @Y = common global [4 x i8] zeroinitializer, align 1 @PY = common global i8* null, align 8 define i8* @test057(i64 %x) { entry: %x.addr = alloca i64, align 8 store i64 %x, i64* %x.addr, align 8 %0 = call i8* asm "movq $1, %rax;movq %rax, $0;pushq $$Y;popq %rcx;movq %rcx, PY;movq $$X, %rdx;movq %rdx, PX;", "=r,im,~{rax},~{rcx},~{rdx},~{dirflag},~{fpsr},~{flags}"(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @Z, i32 0, i32 0)) store i8* %0, i8** @PZ, align 8 %1 = load i8*, i8** @PZ, align 8 ret i8* %1 } |