diff options
| -rw-r--r-- | llvm/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp | 1 | ||||
| -rw-r--r-- | llvm/test/MC/X86/intel-syntax-var-offset.ll | 49 |
2 files changed, 50 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp b/llvm/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp index d6af6712d5a..72593878e44 100644 --- a/llvm/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp +++ b/llvm/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp @@ -152,6 +152,7 @@ void X86IntelInstPrinter::printOperand(const MCInst *MI, unsigned OpNo, O << formatImm((int64_t)Op.getImm()); } else { assert(Op.isExpr() && "unknown operand kind in printOperand"); + O << "offset "; Op.getExpr()->print(O, &MAI); } } diff --git a/llvm/test/MC/X86/intel-syntax-var-offset.ll b/llvm/test/MC/X86/intel-syntax-var-offset.ll new file mode 100644 index 00000000000..d5319fe2c3f --- /dev/null +++ b/llvm/test/MC/X86/intel-syntax-var-offset.ll @@ -0,0 +1,49 @@ +;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 +} + |
