| Moritz Roth | 8f37656 | 2014-08-15 17:00:30 +0000 | [diff] [blame^] | 1 | ; RUN: llc -mtriple=thumbv6m-eabi -verify-machineinstrs %s -o - | FileCheck %s |
| 2 | target datalayout = "e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-i64:64-v128:64:128-a:0:32-n32-S64" |
| 3 | target triple = "thumbv6m--linux-gnueabi" |
| 4 | |
| 5 | @d = internal unnamed_addr global i32 0, align 4 |
| 6 | @c = internal global i32* null, align 4 |
| 7 | @e = internal unnamed_addr global i32* null, align 4 |
| 8 | |
| 9 | ; Function Attrs: nounwind optsize |
| 10 | define void @fn1() #0 { |
| 11 | entry: |
| 12 | ; CHECK-LABEL: fn1: |
| 13 | ; CHECK: stm r[[BASE:[0-9]]]!, {{.*}} |
| 14 | ; CHECK-NOT: {{.*}} r[[BASE]] |
| 15 | ; CHECK: ldr r[[BASE]], {{.*}} |
| 16 | %g = alloca i32, align 4 |
| 17 | %h = alloca i32, align 4 |
| 18 | store i32 1, i32* %g, align 4 |
| 19 | store i32 0, i32* %h, align 4 |
| 20 | %.pr = load i32* @d, align 4 |
| 21 | %cmp11 = icmp slt i32 %.pr, 1 |
| 22 | br i1 %cmp11, label %for.inc.lr.ph, label %for.body5 |
| 23 | |
| 24 | for.inc.lr.ph: ; preds = %entry |
| 25 | store i32 1, i32* @d, align 4 |
| 26 | br label %for.body5 |
| 27 | |
| 28 | for.body5: ; preds = %entry, %for.inc.lr.ph, %for.body5 |
| 29 | %f.010 = phi i32 [ %inc7, %for.body5 ], [ 0, %for.inc.lr.ph ], [ 0, %entry ] |
| 30 | store volatile i32* %g, i32** @c, align 4 |
| 31 | %inc7 = add nsw i32 %f.010, 1 |
| 32 | %exitcond = icmp eq i32 %inc7, 2 |
| 33 | br i1 %exitcond, label %for.end8, label %for.body5 |
| 34 | |
| 35 | for.end8: ; preds = %for.body5 |
| 36 | store i32* %h, i32** @e, align 4 |
| 37 | ret void |
| 38 | } |
| 39 | |
| 40 | attributes #0 = { nounwind optsize "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } |