1 ; RUN: llc < %s -march=x86 | FileCheck %s
2 %struct._obstack_chunk = type { i8*, %struct._obstack_chunk*, [4 x i8] }
3 %struct.obstack = type { i32, %struct._obstack_chunk*, i8*, i8*, i8*, i32, i32, %struct._obstack_chunk* (...)*, void (...)*, i8*, i8 }
4 @stmt_obstack = external global %struct.obstack ; <%struct.obstack*> [#uses=1]
6 ; This should just not crash.
7 define void @test1() nounwind {
9 br i1 true, label %cond_true, label %cond_next
11 cond_true: ; preds = %entry
12 %new_size.0.i = select i1 false, i32 0, i32 0 ; <i32> [#uses=1]
13 %tmp.i = load i32* bitcast (i8* getelementptr (%struct.obstack* @stmt_obstack, i32 0, i32 10) to i32*) ; <i32> [#uses=1]
14 %tmp.i.upgrd.1 = trunc i32 %tmp.i to i8 ; <i8> [#uses=1]
15 %tmp21.i = and i8 %tmp.i.upgrd.1, 1 ; <i8> [#uses=1]
16 %tmp22.i = icmp eq i8 %tmp21.i, 0 ; <i1> [#uses=1]
17 br i1 %tmp22.i, label %cond_false30.i, label %cond_true23.i
19 cond_true23.i: ; preds = %cond_true
22 cond_false30.i: ; preds = %cond_true
23 %tmp35.i = tail call %struct._obstack_chunk* null( i32 %new_size.0.i ) ; <%struct._obstack_chunk*> [#uses=0]
26 cond_next: ; preds = %entry
32 define i32 @test2(i16* %P, i16* %Q) nounwind {
33 %A = load i16* %P, align 4 ; <i16> [#uses=11]
34 %C = zext i16 %A to i32 ; <i32> [#uses=1]
35 %D = and i32 %C, 255 ; <i32> [#uses=1]
43 ; CHECK: movl 4(%esp), %eax
44 ; CHECK-NEXT: movzwl (%eax), %ecx