| Justin Holewinski | a51418c | 2013-10-11 12:39:39 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=nvptx -mcpu=sm_20 | 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-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64" |
| 4 | target triple = "nvptx64-nvidia-cuda" |
| 5 | |
| 6 | ; Function Attrs: nounwind |
| 7 | ; CHECK: .func kernelgen_memcpy |
| 8 | define ptx_device void @kernelgen_memcpy(i8* nocapture %dst) #0 { |
| 9 | entry: |
| 10 | br i1 undef, label %for.end, label %vector.body |
| 11 | |
| 12 | vector.body: ; preds = %vector.body, %entry |
| 13 | %index = phi i64 [ %index.next, %vector.body ], [ 0, %entry ] |
| David Blaikie | 79e6c74 | 2015-02-27 19:29:02 +0000 | [diff] [blame] | 14 | %scevgep9 = getelementptr i8, i8* %dst, i64 %index |
| Justin Holewinski | a51418c | 2013-10-11 12:39:39 +0000 | [diff] [blame] | 15 | %scevgep910 = bitcast i8* %scevgep9 to <4 x i8>* |
| 16 | store <4 x i8> undef, <4 x i8>* %scevgep910, align 1 |
| 17 | %index.next = add i64 %index, 4 |
| 18 | %0 = icmp eq i64 undef, %index.next |
| 19 | br i1 %0, label %middle.block, label %vector.body |
| 20 | |
| 21 | middle.block: ; preds = %vector.body |
| 22 | br i1 undef, label %for.end, label %for.body.preheader1 |
| 23 | |
| 24 | for.body.preheader1: ; preds = %middle.block |
| David Blaikie | 79e6c74 | 2015-02-27 19:29:02 +0000 | [diff] [blame] | 25 | %scevgep2 = getelementptr i8, i8* %dst, i64 0 |
| Justin Holewinski | a51418c | 2013-10-11 12:39:39 +0000 | [diff] [blame] | 26 | br label %for.body |
| 27 | |
| 28 | for.body: ; preds = %for.body, %for.body.preheader1 |
| 29 | %lsr.iv3 = phi i8* [ %scevgep2, %for.body.preheader1 ], [ %scevgep4, %for.body ] |
| 30 | store i8 undef, i8* %lsr.iv3, align 1 |
| David Blaikie | 79e6c74 | 2015-02-27 19:29:02 +0000 | [diff] [blame] | 31 | %scevgep4 = getelementptr i8, i8* %lsr.iv3, i64 1 |
| Justin Holewinski | a51418c | 2013-10-11 12:39:39 +0000 | [diff] [blame] | 32 | br label %for.body |
| 33 | |
| 34 | for.end: ; preds = %middle.block, %entry |
| 35 | ret void |
| 36 | } |
| 37 | |
| 38 | attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } |