diff options
Diffstat (limited to 'test/Transforms/MemCpyOpt/memcpy.ll')
| -rw-r--r-- | test/Transforms/MemCpyOpt/memcpy.ll | 63 |
1 files changed, 32 insertions, 31 deletions
diff --git a/test/Transforms/MemCpyOpt/memcpy.ll b/test/Transforms/MemCpyOpt/memcpy.ll index 5c6a94ce5c9f..71d4d4e8a11f 100644 --- a/test/Transforms/MemCpyOpt/memcpy.ll +++ b/test/Transforms/MemCpyOpt/memcpy.ll @@ -3,17 +3,21 @@ target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" target triple = "i686-apple-darwin9" -define void @test1({ x86_fp80, x86_fp80 }* sret %agg.result, x86_fp80 %z.0, x86_fp80 %z.1) nounwind { +%0 = type { x86_fp80, x86_fp80 } +%1 = type { i32, i32 } + +define void @test1(%0* sret %agg.result, x86_fp80 %z.0, x86_fp80 %z.1) nounwind { entry: - %tmp2 = alloca { x86_fp80, x86_fp80 } ; <{ x86_fp80, x86_fp80 }*> [#uses=1] - %memtmp = alloca { x86_fp80, x86_fp80 }, align 16 ; <{ x86_fp80, x86_fp80 }*> [#uses=2] - %tmp5 = fsub x86_fp80 0xK80000000000000000000, %z.1 ; <x86_fp80> [#uses=1] - call void @ccoshl( { x86_fp80, x86_fp80 }* sret %memtmp, x86_fp80 %tmp5, x86_fp80 %z.0 ) nounwind - %tmp219 = bitcast { x86_fp80, x86_fp80 }* %tmp2 to i8* ; <i8*> [#uses=2] - %memtmp20 = bitcast { x86_fp80, x86_fp80 }* %memtmp to i8* ; <i8*> [#uses=1] - call void @llvm.memcpy.i32( i8* %tmp219, i8* %memtmp20, i32 32, i32 16 ) - %agg.result21 = bitcast { x86_fp80, x86_fp80 }* %agg.result to i8* ; <i8*> [#uses=1] - call void @llvm.memcpy.i32( i8* %agg.result21, i8* %tmp219, i32 32, i32 16 ) + %tmp2 = alloca %0 + %memtmp = alloca %0, align 16 + %tmp5 = fsub x86_fp80 0xK80000000000000000000, %z.1 + call void @ccoshl(%0* sret %memtmp, x86_fp80 %tmp5, x86_fp80 %z.0) nounwind + %tmp219 = bitcast %0* %tmp2 to i8* + %memtmp20 = bitcast %0* %memtmp to i8* + call void @llvm.memcpy.p0i8.p0i8.i32(i8* %tmp219, i8* %memtmp20, i32 32, i32 16, i1 false) + %agg.result21 = bitcast %0* %agg.result to i8* + call void @llvm.memcpy.p0i8.p0i8.i32(i8* %agg.result21, i8* %tmp219, i32 32, i32 16, i1 false) + ret void ; Check that one of the memcpy's are removed. ;; FIXME: PR 8643 We should be able to eliminate the last memcpy here. @@ -23,22 +27,19 @@ entry: ; CHECK: call void @llvm.memcpy ; CHECK-NOT: llvm.memcpy ; CHECK: ret void - ret void } -declare void @ccoshl({ x86_fp80, x86_fp80 }* sret , x86_fp80, x86_fp80) nounwind - -declare void @llvm.memcpy.i32(i8*, i8*, i32, i32) nounwind +declare void @ccoshl(%0* sret , x86_fp80, x86_fp80) nounwind ; The intermediate alloca and one of the memcpy's should be eliminated, the ; other should be related with a memmove. define void @test2(i8* %P, i8* %Q) nounwind { - %memtmp = alloca { x86_fp80, x86_fp80 }, align 16 - %R = bitcast { x86_fp80, x86_fp80 }* %memtmp to i8* - call void @llvm.memcpy.i32( i8* %R, i8* %P, i32 32, i32 16 ) - call void @llvm.memcpy.i32( i8* %Q, i8* %R, i32 32, i32 16 ) - ret void + %memtmp = alloca %0, align 16 + %R = bitcast %0* %memtmp to i8* + call void @llvm.memcpy.p0i8.p0i8.i32(i8* %R, i8* %P, i32 32, i32 16, i1 false) + call void @llvm.memcpy.p0i8.p0i8.i32(i8* %Q, i8* %R, i32 32, i32 16, i1 false) + ret void ; CHECK: @test2 ; CHECK-NEXT: call void @llvm.memmove{{.*}}(i8* %Q, i8* %P @@ -48,15 +49,15 @@ define void @test2(i8* %P, i8* %Q) nounwind { -@x = external global { x86_fp80, x86_fp80 } +@x = external global %0 -define void @test3({ x86_fp80, x86_fp80 }* noalias sret %agg.result) nounwind { - %x.0 = alloca { x86_fp80, x86_fp80 } - %x.01 = bitcast { x86_fp80, x86_fp80 }* %x.0 to i8* - call void @llvm.memcpy.i32( i8* %x.01, i8* bitcast ({ x86_fp80, x86_fp80 }* @x to i8*), i32 32, i32 16 ) - %agg.result2 = bitcast { x86_fp80, x86_fp80 }* %agg.result to i8* - call void @llvm.memcpy.i32( i8* %agg.result2, i8* %x.01, i32 32, i32 16 ) - ret void +define void @test3(%0* noalias sret %agg.result) nounwind { + %x.0 = alloca %0 + %x.01 = bitcast %0* %x.0 to i8* + call void @llvm.memcpy.p0i8.p0i8.i32(i8* %x.01, i8* bitcast (%0* @x to i8*), i32 32, i32 16, i1 false) + %agg.result2 = bitcast %0* %agg.result to i8* + call void @llvm.memcpy.p0i8.p0i8.i32(i8* %agg.result2, i8* %x.01, i32 32, i32 16, i1 false) + ret void ; CHECK: @test3 ; CHECK-NEXT: %agg.result2 = bitcast ; CHECK-NEXT: call void @llvm.memcpy @@ -66,10 +67,10 @@ define void @test3({ x86_fp80, x86_fp80 }* noalias sret %agg.result) nounwind { ; PR8644 define void @test4(i8 *%P) { - %A = alloca {i32, i32} - %a = bitcast {i32, i32}* %A to i8* + %A = alloca %1 + %a = bitcast %1* %A to i8* call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %P, i64 8, i32 4, i1 false) - call void @test4a(i8* byval align 1 %a) + call void @test4a(i8* byval align 1 %a) ret void ; CHECK: @test4 ; CHECK-NEXT: call void @test4a( @@ -84,7 +85,6 @@ declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, declare void @test5a(%struct.S* byval align 16) nounwind ssp -declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind ; rdar://8713376 - This memcpy can't be eliminated. define i32 @test5(i32 %x) nounwind ssp { @@ -128,4 +128,5 @@ entry: declare i32 @g(%struct.p* byval align 8) +declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind |