| Evan Cheng | 97b5beb | 2012-01-10 02:02:58 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -mtriple=armv7-apple-ios | FileCheck %s |
| Evan Cheng | 2b4e727 | 2010-06-04 23:28:13 +0000 | [diff] [blame] | 2 | ;rdar://8003725 |
| 3 | |
| 4 | @G1 = external global i32 |
| 5 | @G2 = external global i32 |
| 6 | |
| 7 | define i32 @f1(i32 %cond1, i32 %x1, i32 %x2, i32 %x3) { |
| 8 | entry: |
| Evan Cheng | 97b5beb | 2012-01-10 02:02:58 +0000 | [diff] [blame^] | 9 | ; CHECK: f1: |
| Evan Cheng | 2b4e727 | 2010-06-04 23:28:13 +0000 | [diff] [blame] | 10 | ; CHECK: cmp |
| 11 | ; CHECK: moveq |
| 12 | ; CHECK-NOT: cmp |
| 13 | ; CHECK: moveq |
| 14 | %tmp1 = icmp eq i32 %cond1, 0 |
| 15 | %tmp2 = select i1 %tmp1, i32 %x1, i32 %x2 |
| 16 | %tmp3 = select i1 %tmp1, i32 %x2, i32 %x3 |
| 17 | %tmp4 = add i32 %tmp2, %tmp3 |
| 18 | ret i32 %tmp4 |
| 19 | } |
| Evan Cheng | 97b5beb | 2012-01-10 02:02:58 +0000 | [diff] [blame^] | 20 | |
| 21 | @foo = external global i32 |
| 22 | @bar = external global [250 x i8], align 1 |
| 23 | |
| 24 | ; CSE of cmp across BB boundary |
| 25 | ; rdar://10660865 |
| 26 | define void @f2() nounwind ssp { |
| 27 | entry: |
| 28 | ; CHECK: f2: |
| 29 | ; CHECK: cmp |
| 30 | ; CHECK: poplt |
| 31 | ; CHECK-NOT: cmp |
| 32 | ; CHECK: movle |
| 33 | %0 = load i32* @foo, align 4 |
| 34 | %cmp28 = icmp sgt i32 %0, 0 |
| 35 | br i1 %cmp28, label %for.body.lr.ph, label %for.cond1.preheader |
| 36 | |
| 37 | for.body.lr.ph: ; preds = %entry |
| 38 | %1 = icmp sgt i32 %0, 1 |
| 39 | %smax = select i1 %1, i32 %0, i32 1 |
| 40 | call void @llvm.memset.p0i8.i32(i8* getelementptr inbounds ([250 x i8]* @bar, i32 0, i32 0), i8 0, i32 %smax, i32 1, i1 false) |
| 41 | unreachable |
| 42 | |
| 43 | for.cond1.preheader: ; preds = %entry |
| 44 | ret void |
| 45 | } |
| 46 | |
| 47 | declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind |