mirror of
https://github.com/RPCS3/llvm-mirror.git
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b753649d63
This reverts commit r253511. This likely broke the bots in http://lab.llvm.org:8011/builders/clang-ppc64-elf-linux2/builds/20202 http://bb.pgr.jp/builders/clang-3stage-i686-linux/builds/3787 llvm-svn: 253543
302 lines
15 KiB
LLVM
302 lines
15 KiB
LLVM
; RUN: opt < %s -memcpyopt -S | FileCheck %s
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; All the stores in this example should be merged into a single memset.
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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"
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target triple = "i386-apple-darwin8"
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define void @test1(i8 signext %c) nounwind {
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entry:
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%x = alloca [19 x i8] ; <[19 x i8]*> [#uses=20]
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%tmp = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 0 ; <i8*> [#uses=1]
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store i8 %c, i8* %tmp, align 1
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%tmp5 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 1 ; <i8*> [#uses=1]
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store i8 %c, i8* %tmp5, align 1
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%tmp9 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 2 ; <i8*> [#uses=1]
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store i8 %c, i8* %tmp9, align 1
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%tmp13 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 3 ; <i8*> [#uses=1]
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store i8 %c, i8* %tmp13, align 1
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%tmp17 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 4 ; <i8*> [#uses=1]
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store i8 %c, i8* %tmp17, align 1
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%tmp21 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 5 ; <i8*> [#uses=1]
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store i8 %c, i8* %tmp21, align 1
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%tmp25 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 6 ; <i8*> [#uses=1]
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store i8 %c, i8* %tmp25, align 1
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%tmp29 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 7 ; <i8*> [#uses=1]
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store i8 %c, i8* %tmp29, align 1
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%tmp33 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 8 ; <i8*> [#uses=1]
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store i8 %c, i8* %tmp33, align 1
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%tmp37 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 9 ; <i8*> [#uses=1]
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store i8 %c, i8* %tmp37, align 1
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%tmp41 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 10 ; <i8*> [#uses=1]
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store i8 %c, i8* %tmp41, align 1
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%tmp45 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 11 ; <i8*> [#uses=1]
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store i8 %c, i8* %tmp45, align 1
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%tmp49 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 12 ; <i8*> [#uses=1]
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store i8 %c, i8* %tmp49, align 1
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%tmp53 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 13 ; <i8*> [#uses=1]
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store i8 %c, i8* %tmp53, align 1
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%tmp57 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 14 ; <i8*> [#uses=1]
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store i8 %c, i8* %tmp57, align 1
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%tmp61 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 15 ; <i8*> [#uses=1]
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store i8 %c, i8* %tmp61, align 1
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%tmp65 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 16 ; <i8*> [#uses=1]
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store i8 %c, i8* %tmp65, align 1
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%tmp69 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 17 ; <i8*> [#uses=1]
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store i8 %c, i8* %tmp69, align 1
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%tmp73 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 18 ; <i8*> [#uses=1]
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store i8 %c, i8* %tmp73, align 1
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%tmp76 = call i32 (...) @bar( [19 x i8]* %x ) nounwind
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ret void
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; CHECK-LABEL: @test1(
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; CHECK-NOT: store
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; CHECK: call void @llvm.memset.p0i8.i64
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; CHECK-NOT: store
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; CHECK: ret
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}
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declare i32 @bar(...)
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%struct.MV = type { i16, i16 }
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define void @test2() nounwind {
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entry:
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%ref_idx = alloca [8 x i8] ; <[8 x i8]*> [#uses=8]
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%left_mvd = alloca [8 x %struct.MV] ; <[8 x %struct.MV]*> [#uses=17]
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%up_mvd = alloca [8 x %struct.MV] ; <[8 x %struct.MV]*> [#uses=17]
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%tmp20 = getelementptr [8 x i8], [8 x i8]* %ref_idx, i32 0, i32 7 ; <i8*> [#uses=1]
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store i8 -1, i8* %tmp20, align 1
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%tmp23 = getelementptr [8 x i8], [8 x i8]* %ref_idx, i32 0, i32 6 ; <i8*> [#uses=1]
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store i8 -1, i8* %tmp23, align 1
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%tmp26 = getelementptr [8 x i8], [8 x i8]* %ref_idx, i32 0, i32 5 ; <i8*> [#uses=1]
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store i8 -1, i8* %tmp26, align 1
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%tmp29 = getelementptr [8 x i8], [8 x i8]* %ref_idx, i32 0, i32 4 ; <i8*> [#uses=1]
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store i8 -1, i8* %tmp29, align 1
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%tmp32 = getelementptr [8 x i8], [8 x i8]* %ref_idx, i32 0, i32 3 ; <i8*> [#uses=1]
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store i8 -1, i8* %tmp32, align 1
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%tmp35 = getelementptr [8 x i8], [8 x i8]* %ref_idx, i32 0, i32 2 ; <i8*> [#uses=1]
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store i8 -1, i8* %tmp35, align 1
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%tmp38 = getelementptr [8 x i8], [8 x i8]* %ref_idx, i32 0, i32 1 ; <i8*> [#uses=1]
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store i8 -1, i8* %tmp38, align 1
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%tmp41 = getelementptr [8 x i8], [8 x i8]* %ref_idx, i32 0, i32 0 ; <i8*> [#uses=2]
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store i8 -1, i8* %tmp41, align 1
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%tmp43 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 7, i32 0 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp43, align 2
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%tmp46 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 7, i32 1 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp46, align 2
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%tmp57 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 6, i32 0 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp57, align 2
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%tmp60 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 6, i32 1 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp60, align 2
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%tmp71 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 5, i32 0 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp71, align 2
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%tmp74 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 5, i32 1 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp74, align 2
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%tmp85 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 4, i32 0 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp85, align 2
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%tmp88 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 4, i32 1 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp88, align 2
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%tmp99 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 3, i32 0 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp99, align 2
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%tmp102 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 3, i32 1 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp102, align 2
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%tmp113 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 2, i32 0 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp113, align 2
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%tmp116 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 2, i32 1 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp116, align 2
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%tmp127 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 1, i32 0 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp127, align 2
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%tmp130 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 1, i32 1 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp130, align 2
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%tmp141 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 0, i32 0 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp141, align 8
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%tmp144 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 0, i32 1 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp144, align 2
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%tmp148 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 7, i32 0 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp148, align 2
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%tmp151 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 7, i32 1 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp151, align 2
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%tmp162 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 6, i32 0 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp162, align 2
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%tmp165 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 6, i32 1 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp165, align 2
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%tmp176 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 5, i32 0 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp176, align 2
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%tmp179 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 5, i32 1 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp179, align 2
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%tmp190 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 4, i32 0 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp190, align 2
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%tmp193 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 4, i32 1 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp193, align 2
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%tmp204 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 3, i32 0 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp204, align 2
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%tmp207 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 3, i32 1 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp207, align 2
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%tmp218 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 2, i32 0 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp218, align 2
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%tmp221 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 2, i32 1 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp221, align 2
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%tmp232 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 1, i32 0 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp232, align 2
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%tmp235 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 1, i32 1 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp235, align 2
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%tmp246 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 0, i32 0 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp246, align 8
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%tmp249 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 0, i32 1 ; <i16*> [#uses=1]
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store i16 0, i16* %tmp249, align 2
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%up_mvd252 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 0 ; <%struct.MV*> [#uses=1]
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%left_mvd253 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 0 ; <%struct.MV*> [#uses=1]
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call void @foo( %struct.MV* %up_mvd252, %struct.MV* %left_mvd253, i8* %tmp41 ) nounwind
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ret void
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; CHECK-LABEL: @test2(
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; CHECK-NOT: store
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; CHECK: call void @llvm.memset.p0i8.i64(i8* %tmp41, i8 -1, i64 8, i32 1, i1 false)
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; CHECK-NOT: store
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; CHECK: call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 32, i32 8, i1 false)
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; CHECK-NOT: store
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; CHECK: call void @llvm.memset.p0i8.i64(i8* %1, i8 0, i64 32, i32 8, i1 false)
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; CHECK-NOT: store
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; CHECK: ret
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}
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declare void @foo(%struct.MV*, %struct.MV*, i8*)
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; Store followed by memset.
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define void @test3(i32* nocapture %P) nounwind ssp {
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entry:
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%arrayidx = getelementptr inbounds i32, i32* %P, i64 1
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store i32 0, i32* %arrayidx, align 4
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%add.ptr = getelementptr inbounds i32, i32* %P, i64 2
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%0 = bitcast i32* %add.ptr to i8*
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tail call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 11, i32 1, i1 false)
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ret void
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; CHECK-LABEL: @test3(
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; CHECK-NOT: store
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; CHECK: call void @llvm.memset.p0i8.i64(i8* %1, i8 0, i64 15, i32 4, i1 false)
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}
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; store followed by memset, different offset scenario
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define void @test4(i32* nocapture %P) nounwind ssp {
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entry:
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store i32 0, i32* %P, align 4
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%add.ptr = getelementptr inbounds i32, i32* %P, i64 1
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%0 = bitcast i32* %add.ptr to i8*
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tail call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 11, i32 1, i1 false)
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ret void
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; CHECK-LABEL: @test4(
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; CHECK-NOT: store
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; CHECK: call void @llvm.memset.p0i8.i64(i8* %1, i8 0, i64 15, i32 4, i1 false)
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}
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declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind
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; Memset followed by store.
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define void @test5(i32* nocapture %P) nounwind ssp {
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entry:
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%add.ptr = getelementptr inbounds i32, i32* %P, i64 2
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%0 = bitcast i32* %add.ptr to i8*
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tail call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 11, i32 1, i1 false)
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%arrayidx = getelementptr inbounds i32, i32* %P, i64 1
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store i32 0, i32* %arrayidx, align 4
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ret void
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; CHECK-LABEL: @test5(
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; CHECK-NOT: store
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; CHECK: call void @llvm.memset.p0i8.i64(i8* %1, i8 0, i64 15, i32 4, i1 false)
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}
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;; Memset followed by memset.
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define void @test6(i32* nocapture %P) nounwind ssp {
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entry:
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%0 = bitcast i32* %P to i8*
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tail call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 12, i32 1, i1 false)
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%add.ptr = getelementptr inbounds i32, i32* %P, i64 3
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%1 = bitcast i32* %add.ptr to i8*
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tail call void @llvm.memset.p0i8.i64(i8* %1, i8 0, i64 12, i32 1, i1 false)
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ret void
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; CHECK-LABEL: @test6(
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; CHECK: call void @llvm.memset.p0i8.i64(i8* %2, i8 0, i64 24, i32 1, i1 false)
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}
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; More aggressive heuristic
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; rdar://9892684
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define void @test7(i32* nocapture %c) nounwind optsize {
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store i32 -1, i32* %c, align 4
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%1 = getelementptr inbounds i32, i32* %c, i32 1
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store i32 -1, i32* %1, align 4
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%2 = getelementptr inbounds i32, i32* %c, i32 2
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store i32 -1, i32* %2, align 4
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%3 = getelementptr inbounds i32, i32* %c, i32 3
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store i32 -1, i32* %3, align 4
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%4 = getelementptr inbounds i32, i32* %c, i32 4
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store i32 -1, i32* %4, align 4
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; CHECK-LABEL: @test7(
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; CHECK: call void @llvm.memset.p0i8.i64(i8* %5, i8 -1, i64 20, i32 4, i1 false)
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ret void
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}
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%struct.test8 = type { [4 x i32] }
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define void @test8() {
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entry:
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%memtmp = alloca %struct.test8, align 16
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%0 = bitcast %struct.test8* %memtmp to <4 x i32>*
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store <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>, <4 x i32>* %0, align 16
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ret void
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; CHECK-LABEL: @test8(
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; CHECK: store <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>, <4 x i32>* %0, align 16
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}
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@test9buf = internal unnamed_addr global [16 x i64] zeroinitializer, align 16
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define void @test9() nounwind {
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store i8 -1, i8* bitcast ([16 x i64]* @test9buf to i8*), align 16
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store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 1), align 1
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store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 2), align 2
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store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 3), align 1
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store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 4), align 4
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store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 5), align 1
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store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 6), align 2
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store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 7), align 1
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store i8 -1, i8* bitcast (i64* getelementptr inbounds ([16 x i64], [16 x i64]* @test9buf, i64 0, i64 1) to i8*), align 8
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store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 9), align 1
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store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 10), align 2
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store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 11), align 1
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store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 12), align 4
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|
store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 13), align 1
|
|
store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 14), align 2
|
|
store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 15), align 1
|
|
ret void
|
|
; CHECK-LABEL: @test9(
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|
; CHECK: call void @llvm.memset.p0i8.i64(i8* bitcast ([16 x i64]* @test9buf to i8*), i8 -1, i64 16, i32 16, i1 false)
|
|
}
|
|
|
|
; PR19092
|
|
define void @test10(i8* nocapture %P) nounwind {
|
|
tail call void @llvm.memset.p0i8.i64(i8* %P, i8 0, i64 42, i32 1, i1 false)
|
|
tail call void @llvm.memset.p0i8.i64(i8* %P, i8 0, i64 23, i32 1, i1 false)
|
|
ret void
|
|
; CHECK-LABEL: @test10(
|
|
; CHECK-NOT: memset
|
|
; CHECK: call void @llvm.memset.p0i8.i64(i8* %P, i8 0, i64 42, i32 1, i1 false)
|
|
; CHECK-NOT: memset
|
|
; CHECK: ret void
|
|
}
|
|
|
|
; Memset followed by odd store.
|
|
define void @test11(i32* nocapture %P) nounwind ssp {
|
|
entry:
|
|
%add.ptr = getelementptr inbounds i32, i32* %P, i64 3
|
|
%0 = bitcast i32* %add.ptr to i8*
|
|
tail call void @llvm.memset.p0i8.i64(i8* %0, i8 1, i64 11, i32 1, i1 false)
|
|
%arrayidx = getelementptr inbounds i32, i32* %P, i64 0
|
|
%arrayidx.cast = bitcast i32* %arrayidx to i96*
|
|
store i96 310698676526526814092329217, i96* %arrayidx.cast, align 4
|
|
ret void
|
|
; CHECK-LABEL: @test11(
|
|
; CHECK-NOT: store
|
|
; CHECK: call void @llvm.memset.p0i8.i64(i8* %1, i8 1, i64 23, i32 4, i1 false)
|
|
}
|