stackifier bug with inline asm

[llvmbot]

Bugzilla Link	4485
Resolution	FIXED
Resolved on	Jun 30, 2009 11:42
Version	trunk
OS	Linux
Reporter	LLVM Bugzilla Contributor

Extended Description

the test

---

define void @​test(x86_fp80* %a) {
entry:
%0 = load x86_fp80* %a, align 16
%1 = fmul x86_fp80 %0, 0xK4006B400000000000000
%2 = fmul x86_fp80 %1, 0xK4012F424000000000000
tail call void asm sideeffect "fistpl $0", "{st},{st}"(x86_fp80 %2)
%3 = load x86_fp80* %a, align 16
%4 = fmul x86_fp80 %3, 0xK4006B400000000000000
%5 = fmul x86_fp80 %4, 0xK4012F424000000000000
tail call void asm sideeffect "fistpl $0", "{st},{st}"(x86_fp80 %5)
ret void
}

Fails with

Assertion `StackTop == 1 && FirstFPRegOp == getStackEntry(0) && "Top of stack not the right register for RET!"