llvm-6502/test/CodeGen/X86/2006-10-10-FindModifiedNodeSlotBug.ll
2006-10-11 07:01:37 +00:00

32 lines
768 B
LLVM

; RUN: llvm-as < %s | llc -march=x86 | grep shrl
; Bug in FindModifiedNodeSlot cause tmp14 load to become a zextload and shr 31
; is then optimized away.
%tree_code_type = external global [0 x uint]
void %copy_if_shared_r() {
%tmp = load uint* null
%tmp56 = and uint %tmp, 255
%tmp8 = getelementptr [0 x uint]* %tree_code_type, int 0, uint %tmp56
%tmp9 = load uint* %tmp8
%tmp10 = add uint %tmp9, 4294967295
%tmp = setgt uint %tmp10, 2
%tmp14 = load uint* null
%tmp15 = shr uint %tmp14, ubyte 31
%tmp15 = cast uint %tmp15 to ubyte
%tmp16 = setne ubyte %tmp15, 0
br bool %tmp, label %cond_false25, label %cond_true
cond_true:
br bool %tmp16, label %cond_true17, label %cond_false
cond_true17:
ret void
cond_false:
ret void
cond_false25:
ret void
}