xref: /aosp_15_r20/external/llvm/test/CodeGen/ARM/cse-call.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mcpu=arm1136jf-s -verify-machineinstrs | FileCheck %s
2*9880d681SAndroid Build Coastguard Workertarget 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"
3*9880d681SAndroid Build Coastguard Workertarget triple = "armv6-apple-ios0.0.0"
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker; Don't CSE a cmp across a call that clobbers CPSR.
6*9880d681SAndroid Build Coastguard Worker;
7*9880d681SAndroid Build Coastguard Worker; CHECK: cmp
8*9880d681SAndroid Build Coastguard Worker; CHECK: S_trimzeros
9*9880d681SAndroid Build Coastguard Worker; CHECK: cmp
10*9880d681SAndroid Build Coastguard Worker; CHECK: strlen
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Worker@F_floatmul.man1 = external global [200 x i8], align 1
13*9880d681SAndroid Build Coastguard Worker@F_floatmul.man2 = external global [200 x i8], align 1
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workerdeclare i32 @strlen(i8* nocapture) nounwind readonly
16*9880d681SAndroid Build Coastguard Workerdeclare void @S_trimzeros(...)
17*9880d681SAndroid Build Coastguard Worker
18*9880d681SAndroid Build Coastguard Workerdefine i8* @F_floatmul(i8* %f1, i8* %f2) nounwind ssp {
19*9880d681SAndroid Build Coastguard Workerentry:
20*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %while.end42, label %while.body37
21*9880d681SAndroid Build Coastguard Worker
22*9880d681SAndroid Build Coastguard Workerwhile.body37:                                     ; preds = %while.body37, %entry
23*9880d681SAndroid Build Coastguard Worker  br i1 false, label %while.end42, label %while.body37
24*9880d681SAndroid Build Coastguard Worker
25*9880d681SAndroid Build Coastguard Workerwhile.end42:                                      ; preds = %while.body37, %entry
26*9880d681SAndroid Build Coastguard Worker  %. = select i1 undef, 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)
27*9880d681SAndroid Build Coastguard Worker  %.92 = select i1 undef, 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)
28*9880d681SAndroid Build Coastguard Worker  tail call void bitcast (void (...)* @S_trimzeros to void (i8*)*)(i8* %.92) nounwind
29*9880d681SAndroid Build Coastguard Worker  %call47 = tail call i32 @strlen(i8* %.) nounwind
30*9880d681SAndroid Build Coastguard Worker  unreachable
31*9880d681SAndroid Build Coastguard Worker}
32