1 ; RUN: llc < %s -mtriple=armv6-apple-ios0.0.0 -mcpu=arm1136jf-s -verify-machineinstrs | FileCheck %s
2 ; RUN: llc -mtriple=thumbv6m-eabi -mattr=+execute-only -verify-machineinstrs %s -o - | FileCheck --check-prefix=CHECK-T1 %s
3 target 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"
5 ; Don't CSE a cmp across a call that clobbers CPSR.
9 ; CHECK-T1: movs [[REG:r[0-7]+]], :upper8_15:
10 ; CHECK-T1-NEXT: lsls [[REG]], [[REG]], #8
11 ; CHECK-T1-NEXT: adds [[REG]], :upper0_7:
12 ; CHECK-T1-NEXT: lsls [[REG]], [[REG]], #8
13 ; CHECK-T1-NEXT: adds [[REG]], :lower8_15:
14 ; CHECK-T1-NEXT: lsls [[REG]], [[REG]], #8
15 ; CHECK-T1-NEXT: adds [[REG]], :lower0_7:
17 ; CHECK-T1: movs [[REG:r[0-7]+]], :upper8_15:
18 ; CHECK-T1-NEXT: lsls [[REG]], [[REG]], #8
19 ; CHECK-T1-NEXT: adds [[REG]], :upper0_7:
20 ; CHECK-T1-NEXT: lsls [[REG]], [[REG]], #8
21 ; CHECK-T1-NEXT: adds [[REG]], :lower8_15:
22 ; CHECK-T1-NEXT: lsls [[REG]], [[REG]], #8
23 ; CHECK-T1-NEXT: adds [[REG]], :lower0_7:
31 @F_floatmul.man1 = external global [200 x i8], align 1
32 @F_floatmul.man2 = external global [200 x i8], align 1
34 declare i32 @strlen(ptr nocapture) nounwind readonly
35 declare void @S_trimzeros(...)
37 define ptr @F_floatmul(ptr %f1, ptr %f2, i32 %a, i32 %b) nounwind ssp {
39 %0 = icmp eq i32 %a, %b
40 br i1 %0, label %while.end42, label %while.body37
42 while.body37: ; preds = %while.body37, %entry
43 br i1 false, label %while.end42, label %while.body37
45 while.end42: ; preds = %while.body37, %entry
46 %. = select i1 %0, ptr @F_floatmul.man1, ptr @F_floatmul.man2
47 %.92 = select i1 %0, ptr @F_floatmul.man2, ptr @F_floatmul.man1
48 tail call void @S_trimzeros(ptr %.92) nounwind
49 %call47 = tail call i32 @strlen(ptr %.) nounwind