| Arnold Schwaighofer | a7cd6bf | 2013-08-06 22:37:52 +0000 | [diff] [blame] | 1 | ; RUN: opt -S -loop-vectorize -force-vector-width=2 -force-vector-unroll=1 < %s | FileCheck %s |
| 2 | |
| 3 | target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" |
| 4 | |
| 5 | ; Make sure we can vectorize loops which contain lifetime markers. |
| 6 | |
| Matt Arsenault | e64c7c7 | 2013-10-02 20:29:00 +0000 | [diff] [blame^] | 7 | ; CHECK-LABEL: @test( |
| Arnold Schwaighofer | a7cd6bf | 2013-08-06 22:37:52 +0000 | [diff] [blame] | 8 | ; CHECK: call void @llvm.lifetime.end |
| 9 | ; CHECK: store <2 x i32> |
| 10 | ; CHECK: call void @llvm.lifetime.start |
| 11 | |
| 12 | define void @test(i32 *%d) { |
| 13 | entry: |
| 14 | %arr = alloca [1024 x i32], align 16 |
| 15 | %0 = bitcast [1024 x i32]* %arr to i8* |
| 16 | call void @llvm.lifetime.start(i64 4096, i8* %0) #1 |
| 17 | br label %for.body |
| 18 | |
| 19 | for.body: |
| 20 | %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| 21 | call void @llvm.lifetime.end(i64 4096, i8* %0) #1 |
| 22 | %arrayidx = getelementptr inbounds i32* %d, i64 %indvars.iv |
| 23 | %1 = load i32* %arrayidx, align 8 |
| 24 | store i32 100, i32* %arrayidx, align 8 |
| 25 | call void @llvm.lifetime.start(i64 4096, i8* %0) #1 |
| 26 | %indvars.iv.next = add i64 %indvars.iv, 1 |
| 27 | %lftr.wideiv = trunc i64 %indvars.iv.next to i32 |
| 28 | %exitcond = icmp ne i32 %lftr.wideiv, 128 |
| 29 | br i1 %exitcond, label %for.body, label %for.end |
| 30 | |
| 31 | for.end: |
| 32 | call void @llvm.lifetime.end(i64 4096, i8* %0) #1 |
| 33 | ret void |
| 34 | } |
| 35 | |
| Matt Arsenault | e64c7c7 | 2013-10-02 20:29:00 +0000 | [diff] [blame^] | 36 | ; CHECK-LABEL: @testbitcast( |
| Arnold Schwaighofer | a7cd6bf | 2013-08-06 22:37:52 +0000 | [diff] [blame] | 37 | ; CHECK: call void @llvm.lifetime.end |
| 38 | ; CHECK: store <2 x i32> |
| 39 | ; CHECK: call void @llvm.lifetime.start |
| 40 | |
| 41 | define void @testbitcast(i32 *%d) { |
| 42 | entry: |
| 43 | %arr = alloca [1024 x i32], align 16 |
| 44 | %0 = bitcast [1024 x i32]* %arr to i8* |
| 45 | call void @llvm.lifetime.start(i64 4096, i8* %0) #1 |
| 46 | br label %for.body |
| 47 | |
| 48 | for.body: |
| 49 | %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| 50 | %1 = bitcast [1024 x i32]* %arr to i8* |
| 51 | call void @llvm.lifetime.end(i64 4096, i8* %1) #1 |
| 52 | %arrayidx = getelementptr inbounds i32* %d, i64 %indvars.iv |
| 53 | %2 = load i32* %arrayidx, align 8 |
| 54 | store i32 100, i32* %arrayidx, align 8 |
| 55 | call void @llvm.lifetime.start(i64 4096, i8* %1) #1 |
| 56 | %indvars.iv.next = add i64 %indvars.iv, 1 |
| 57 | %lftr.wideiv = trunc i64 %indvars.iv.next to i32 |
| 58 | %exitcond = icmp ne i32 %lftr.wideiv, 128 |
| 59 | br i1 %exitcond, label %for.body, label %for.end |
| 60 | |
| 61 | for.end: |
| 62 | call void @llvm.lifetime.end(i64 4096, i8* %0) #1 |
| 63 | ret void |
| 64 | } |
| 65 | |
| Matt Arsenault | e64c7c7 | 2013-10-02 20:29:00 +0000 | [diff] [blame^] | 66 | ; CHECK-LABEL: @testloopvariant( |
| Arnold Schwaighofer | a7cd6bf | 2013-08-06 22:37:52 +0000 | [diff] [blame] | 67 | ; CHECK: call void @llvm.lifetime.end |
| 68 | ; CHECK: store <2 x i32> |
| 69 | ; CHECK: call void @llvm.lifetime.start |
| 70 | |
| 71 | define void @testloopvariant(i32 *%d) { |
| 72 | entry: |
| 73 | %arr = alloca [1024 x i32], align 16 |
| 74 | br label %for.body |
| 75 | |
| 76 | for.body: |
| 77 | %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| 78 | %0 = getelementptr [1024 x i32]* %arr, i32 0, i64 %indvars.iv |
| 79 | %1 = bitcast [1024 x i32]* %arr to i8* |
| 80 | call void @llvm.lifetime.end(i64 4096, i8* %1) #1 |
| 81 | %arrayidx = getelementptr inbounds i32* %d, i64 %indvars.iv |
| 82 | %2 = load i32* %arrayidx, align 8 |
| 83 | store i32 100, i32* %arrayidx, align 8 |
| 84 | call void @llvm.lifetime.start(i64 4096, i8* %1) #1 |
| 85 | %indvars.iv.next = add i64 %indvars.iv, 1 |
| 86 | %lftr.wideiv = trunc i64 %indvars.iv.next to i32 |
| 87 | %exitcond = icmp ne i32 %lftr.wideiv, 128 |
| 88 | br i1 %exitcond, label %for.body, label %for.end |
| 89 | |
| 90 | for.end: |
| 91 | ret void |
| 92 | } |
| 93 | |
| 94 | declare void @llvm.lifetime.start(i64, i8* nocapture) #1 |
| 95 | |
| 96 | declare void @llvm.lifetime.end(i64, i8* nocapture) #1 |