source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/ARM/2011-04-07-schediv.ll @ 5027

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

Upgrade to llvm 3.8

File size: 1.4 KB
Line 
1; RUN: llc < %s -mcpu=cortex-a8 | FileCheck %s
2; Tests preRAsched support for VRegCycle interference.
3
4target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32"
5target triple = "thumbv7-apple-darwin10"
6
7define void @t(i32 %src_width, float* nocapture %src_copy_start, float* nocapture %dst_copy_start, i32 %src_copy_start_index) nounwind optsize {
8entry:
9  %src_copy_start6 = bitcast float* %src_copy_start to i8*
10  %0 = icmp eq i32 %src_width, 0
11  br i1 %0, label %return, label %bb
12
13; Make sure the scheduler schedules all uses of the preincrement
14; induction variable before defining the postincrement value.
15; CHECK-LABEL: t:
16; CHECK: %bb
17; CHECK-NOT: mov
18bb:                                               ; preds = %entry, %bb
19  %j.05 = phi i32 [ %2, %bb ], [ 0, %entry ]
20  %tmp = mul i32 %j.05, %src_copy_start_index
21  %uglygep = getelementptr i8, i8* %src_copy_start6, i32 %tmp
22  %src_copy_start_addr.04 = bitcast i8* %uglygep to float*
23  %dst_copy_start_addr.03 = getelementptr float, float* %dst_copy_start, i32 %j.05
24  %1 = load float, float* %src_copy_start_addr.04, align 4
25  store float %1, float* %dst_copy_start_addr.03, align 4
26  %2 = add i32 %j.05, 1
27  %exitcond = icmp eq i32 %2, %src_width
28  br i1 %exitcond, label %return, label %bb
29
30return:                                           ; preds = %bb, %entry
31  ret void
32}
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