source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/ARM/2011-03-15-LdStMultipleBug.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

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1; RUN: llc < %s -mtriple=thumbv7-apple-darwin10 -relocation-model=pic -disable-fp-elim -mcpu=cortex-a8 | FileCheck %s
2
3; Do not form Thumb2 ldrd / strd if the offset is not multiple of 4.
4; rdar://9133587
5
6%struct.Outer = type { i32, [2 x %"struct.Outer::Inner"] }
7%"struct.Outer::Inner" = type { i32, i32, i8, i8 }
8
9@oStruct = external global %struct.Outer, align 4
10
11define void @main(i8 %val8) nounwind {
12; CHECK-LABEL: main:
13; CHECK-NOT: ldrd
14; CHECK: mul
15for.body.lr.ph:
16  br label %for.body
17
18for.body:                                         ; preds = %_Z14printIsNotZeroi.exit17.for.body_crit_edge, %for.body.lr.ph
19  %tmp3 = phi i1 [ false, %for.body.lr.ph ], [ %phitmp27, %_Z14printIsNotZeroi.exit17.for.body_crit_edge ]
20  %i.022 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %_Z14printIsNotZeroi.exit17.for.body_crit_edge ]
21  %x = getelementptr %struct.Outer, %struct.Outer* @oStruct, i32 0, i32 1, i32 %i.022, i32 0
22  %y = getelementptr %struct.Outer, %struct.Outer* @oStruct, i32 0, i32 1, i32 %i.022, i32 1
23  %inc = add i32 %i.022, 1
24  %tmp8 = load i32, i32* %x, align 4
25  %tmp11 = load i32, i32* %y, align 4
26  %mul = mul nsw i32 %tmp11, %tmp8
27  %tobool.i14 = icmp eq i32 %mul, 0
28  br i1 %tobool.i14, label %_Z14printIsNotZeroi.exit17, label %if.then.i16
29
30if.then.i16:                                      ; preds = %_Z14printIsNotZeroi.exit
31  ret void
32
33_Z14printIsNotZeroi.exit17:                       ; preds = %_Z14printIsNotZeroi.exit
34  br label %_Z14printIsNotZeroi.exit17.for.body_crit_edge
35
36_Z14printIsNotZeroi.exit17.for.body_crit_edge:    ; preds = %_Z14printIsNotZeroi.exit17
37  %b.phi.trans.insert = getelementptr %struct.Outer, %struct.Outer* @oStruct, i32 0, i32 1, i32 %inc, i32 3
38  %tmp3.pre = load i8, i8* %b.phi.trans.insert, align 1
39  %phitmp27 = icmp eq i8 %val8, 0
40  br label %for.body
41
42for.end:                                          ; preds = %_Z14printIsNotZeroi.exit17
43  ret void
44}
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