1; RUN: llc < %s -mcpu=arm1136jf-s -verify-machineinstrs | FileCheck %s
2target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
3target triple = "armv6-apple-ios0.0.0"
4
5; Don't CSE a cmp across a call that clobbers CPSR.
6;
7; CHECK: cmp
8; CHECK: S_trimzeros
9; CHECK: cmp
10; CHECK: strlen
11
12@F_floatmul.man1 = external global [200 x i8], align 1
13@F_floatmul.man2 = external global [200 x i8], align 1
14
15declare i32 @strlen(i8* nocapture) nounwind readonly
16declare void @S_trimzeros(...)
17
18define i8* @F_floatmul(i8* %f1, i8* %f2, i32 %a, i32 %b) nounwind ssp {
19entry:
20  %0 = icmp eq i32 %a, %b
21  br i1 %0, label %while.end42, label %while.body37
22
23while.body37:                                     ; preds = %while.body37, %entry
24  br i1 false, label %while.end42, label %while.body37
25
26while.end42:                                      ; preds = %while.body37, %entry
27  %. = select i1 %0, i8* getelementptr inbounds ([200 x i8], [200 x i8]* @F_floatmul.man1, i32 0, i32 0), i8* getelementptr inbounds ([200 x i8], [200 x i8]* @F_floatmul.man2, i32 0, i32 0)
28  %.92 = select i1 %0, i8* getelementptr inbounds ([200 x i8], [200 x i8]* @F_floatmul.man2, i32 0, i32 0), i8* getelementptr inbounds ([200 x i8], [200 x i8]* @F_floatmul.man1, i32 0, i32 0)
29  tail call void bitcast (void (...)* @S_trimzeros to void (i8*)*)(i8* %.92) nounwind
30  %call47 = tail call i32 @strlen(i8* %.) nounwind
31  unreachable
32}
33