50 lines · plain
1;RUN: llc -mtriple=x86_64-unknown-unknown -filetype=asm -x86-asm-syntax=intel < %s | FileCheck %s --check-prefix=CHECK2;PR346173 4;Compile it with: "clang -O1 -emit-llvm"5;char X[4];6;volatile char* PX;7;char Y[4];8;volatile char* PY;9;char Z[4];10;volatile char* PZ;11;char* test057(long long x) {12; asm ("movq %1, %%rax;"13; "movq %%rax, %0;"14; "pushq $Y;"15; "popq %%rcx;"16; "movq %%rcx, PY;"17; "movq $X, %%rdx;"18; "movq %%rdx, PX;"19; :"=r"(PZ)20; :"p"(Z)21; :"%rax", "%rcx", "%rdx"22; );23; return (char*)PZ;24;}25 26; CHECK: mov rax, offset Z27; CHECK: push offset Y28; CHECK: pop rcx29; CHECK: mov qword ptr [PY], rcx30; CHECK: mov rdx, offset X31; CHECK: mov qword ptr [PX], rdx32 33@PZ = common dso_local global ptr null, align 834@Z = common dso_local global [4 x i8] zeroinitializer, align 135@X = common dso_local global [4 x i8] zeroinitializer, align 136@PX = common dso_local global ptr null, align 837@Y = common dso_local global [4 x i8] zeroinitializer, align 138@PY = common dso_local global ptr null, align 839 40define dso_local ptr @test057(i64 %x) {41entry:42 %x.addr = alloca i64, align 843 store i64 %x, ptr %x.addr, align 844 %0 = call ptr 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}"(ptr @Z)45 store ptr %0, ptr @PZ, align 846 %1 = load ptr, ptr @PZ, align 847 ret ptr %148}49 50