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llvm-project/llvm/test/Transforms/MemCpyOpt/form-memset.ll

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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -memcpyopt -S -enable-memcpyopt-memoryssa=0 | FileCheck %s
; RUN: opt < %s -memcpyopt -S -enable-memcpyopt-memoryssa=1 -verify-memoryssa | FileCheck %s
; All the stores in this example should be merged into a single memset.
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 = "i386-apple-darwin8"
define void @test1(i8 signext %c) nounwind {
; CHECK-LABEL: @test1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[X:%.*]] = alloca [19 x i8], align 1
; CHECK-NEXT: [[TMP:%.*]] = getelementptr [19 x i8], [19 x i8]* [[X]], i32 0, i32 0
; CHECK-NEXT: [[TMP5:%.*]] = getelementptr [19 x i8], [19 x i8]* [[X]], i32 0, i32 1
; CHECK-NEXT: [[TMP9:%.*]] = getelementptr [19 x i8], [19 x i8]* [[X]], i32 0, i32 2
; CHECK-NEXT: [[TMP13:%.*]] = getelementptr [19 x i8], [19 x i8]* [[X]], i32 0, i32 3
; CHECK-NEXT: [[TMP17:%.*]] = getelementptr [19 x i8], [19 x i8]* [[X]], i32 0, i32 4
; CHECK-NEXT: [[TMP21:%.*]] = getelementptr [19 x i8], [19 x i8]* [[X]], i32 0, i32 5
; CHECK-NEXT: [[TMP25:%.*]] = getelementptr [19 x i8], [19 x i8]* [[X]], i32 0, i32 6
; CHECK-NEXT: [[TMP29:%.*]] = getelementptr [19 x i8], [19 x i8]* [[X]], i32 0, i32 7
; CHECK-NEXT: [[TMP33:%.*]] = getelementptr [19 x i8], [19 x i8]* [[X]], i32 0, i32 8
; CHECK-NEXT: [[TMP37:%.*]] = getelementptr [19 x i8], [19 x i8]* [[X]], i32 0, i32 9
; CHECK-NEXT: [[TMP41:%.*]] = getelementptr [19 x i8], [19 x i8]* [[X]], i32 0, i32 10
; CHECK-NEXT: [[TMP45:%.*]] = getelementptr [19 x i8], [19 x i8]* [[X]], i32 0, i32 11
; CHECK-NEXT: [[TMP49:%.*]] = getelementptr [19 x i8], [19 x i8]* [[X]], i32 0, i32 12
; CHECK-NEXT: [[TMP53:%.*]] = getelementptr [19 x i8], [19 x i8]* [[X]], i32 0, i32 13
; CHECK-NEXT: [[TMP57:%.*]] = getelementptr [19 x i8], [19 x i8]* [[X]], i32 0, i32 14
; CHECK-NEXT: [[TMP61:%.*]] = getelementptr [19 x i8], [19 x i8]* [[X]], i32 0, i32 15
; CHECK-NEXT: [[TMP65:%.*]] = getelementptr [19 x i8], [19 x i8]* [[X]], i32 0, i32 16
; CHECK-NEXT: [[TMP69:%.*]] = getelementptr [19 x i8], [19 x i8]* [[X]], i32 0, i32 17
; CHECK-NEXT: [[TMP73:%.*]] = getelementptr [19 x i8], [19 x i8]* [[X]], i32 0, i32 18
; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP]], i8 [[C:%.*]], i64 19, i1 false)
; CHECK-NEXT: [[TMP76:%.*]] = call i32 (...) @bar([19 x i8]* [[X]]) [[ATTR0:#.*]]
; CHECK-NEXT: ret void
;
entry:
%x = alloca [19 x i8] ; <[19 x i8]*> [#uses=20]
%tmp = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 0 ; <i8*> [#uses=1]
store i8 %c, i8* %tmp, align 1
%tmp5 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 1 ; <i8*> [#uses=1]
store i8 %c, i8* %tmp5, align 1
%tmp9 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 2 ; <i8*> [#uses=1]
store i8 %c, i8* %tmp9, align 1
%tmp13 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 3 ; <i8*> [#uses=1]
store i8 %c, i8* %tmp13, align 1
%tmp17 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 4 ; <i8*> [#uses=1]
store i8 %c, i8* %tmp17, align 1
%tmp21 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 5 ; <i8*> [#uses=1]
store i8 %c, i8* %tmp21, align 1
%tmp25 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 6 ; <i8*> [#uses=1]
store i8 %c, i8* %tmp25, align 1
%tmp29 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 7 ; <i8*> [#uses=1]
store i8 %c, i8* %tmp29, align 1
%tmp33 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 8 ; <i8*> [#uses=1]
store i8 %c, i8* %tmp33, align 1
%tmp37 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 9 ; <i8*> [#uses=1]
store i8 %c, i8* %tmp37, align 1
%tmp41 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 10 ; <i8*> [#uses=1]
store i8 %c, i8* %tmp41, align 1
%tmp45 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 11 ; <i8*> [#uses=1]
store i8 %c, i8* %tmp45, align 1
%tmp49 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 12 ; <i8*> [#uses=1]
store i8 %c, i8* %tmp49, align 1
%tmp53 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 13 ; <i8*> [#uses=1]
store i8 %c, i8* %tmp53, align 1
%tmp57 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 14 ; <i8*> [#uses=1]
store i8 %c, i8* %tmp57, align 1
%tmp61 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 15 ; <i8*> [#uses=1]
store i8 %c, i8* %tmp61, align 1
%tmp65 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 16 ; <i8*> [#uses=1]
store i8 %c, i8* %tmp65, align 1
%tmp69 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 17 ; <i8*> [#uses=1]
store i8 %c, i8* %tmp69, align 1
%tmp73 = getelementptr [19 x i8], [19 x i8]* %x, i32 0, i32 18 ; <i8*> [#uses=1]
store i8 %c, i8* %tmp73, align 1
%tmp76 = call i32 (...) @bar( [19 x i8]* %x ) nounwind
ret void
}
declare i32 @bar(...)
%struct.MV = type { i16, i16 }
define void @test2() nounwind {
; CHECK-LABEL: @test2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[REF_IDX:%.*]] = alloca [8 x i8], align 1
; CHECK-NEXT: [[LEFT_MVD:%.*]] = alloca [8 x %struct.MV], align 8
; CHECK-NEXT: [[UP_MVD:%.*]] = alloca [8 x %struct.MV], align 8
; CHECK-NEXT: [[TMP20:%.*]] = getelementptr [8 x i8], [8 x i8]* [[REF_IDX]], i32 0, i32 7
; CHECK-NEXT: [[TMP23:%.*]] = getelementptr [8 x i8], [8 x i8]* [[REF_IDX]], i32 0, i32 6
; CHECK-NEXT: [[TMP26:%.*]] = getelementptr [8 x i8], [8 x i8]* [[REF_IDX]], i32 0, i32 5
; CHECK-NEXT: [[TMP29:%.*]] = getelementptr [8 x i8], [8 x i8]* [[REF_IDX]], i32 0, i32 4
; CHECK-NEXT: [[TMP32:%.*]] = getelementptr [8 x i8], [8 x i8]* [[REF_IDX]], i32 0, i32 3
; CHECK-NEXT: [[TMP35:%.*]] = getelementptr [8 x i8], [8 x i8]* [[REF_IDX]], i32 0, i32 2
; CHECK-NEXT: [[TMP38:%.*]] = getelementptr [8 x i8], [8 x i8]* [[REF_IDX]], i32 0, i32 1
; CHECK-NEXT: [[TMP41:%.*]] = getelementptr [8 x i8], [8 x i8]* [[REF_IDX]], i32 0, i32 0
; CHECK-NEXT: [[TMP43:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[UP_MVD]], i32 0, i32 7, i32 0
; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP41]], i8 -1, i64 8, i1 false)
; CHECK-NEXT: [[TMP46:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[UP_MVD]], i32 0, i32 7, i32 1
; CHECK-NEXT: [[TMP57:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[UP_MVD]], i32 0, i32 6, i32 0
; CHECK-NEXT: [[TMP60:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[UP_MVD]], i32 0, i32 6, i32 1
; CHECK-NEXT: [[TMP71:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[UP_MVD]], i32 0, i32 5, i32 0
; CHECK-NEXT: [[TMP74:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[UP_MVD]], i32 0, i32 5, i32 1
; CHECK-NEXT: [[TMP85:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[UP_MVD]], i32 0, i32 4, i32 0
; CHECK-NEXT: [[TMP88:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[UP_MVD]], i32 0, i32 4, i32 1
; CHECK-NEXT: [[TMP99:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[UP_MVD]], i32 0, i32 3, i32 0
; CHECK-NEXT: [[TMP102:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[UP_MVD]], i32 0, i32 3, i32 1
; CHECK-NEXT: [[TMP113:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[UP_MVD]], i32 0, i32 2, i32 0
; CHECK-NEXT: [[TMP116:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[UP_MVD]], i32 0, i32 2, i32 1
; CHECK-NEXT: [[TMP127:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[UP_MVD]], i32 0, i32 1, i32 0
; CHECK-NEXT: [[TMP130:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[UP_MVD]], i32 0, i32 1, i32 1
; CHECK-NEXT: [[TMP141:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[UP_MVD]], i32 0, i32 0, i32 0
; CHECK-NEXT: [[TMP144:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[UP_MVD]], i32 0, i32 0, i32 1
; CHECK-NEXT: [[TMP148:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[LEFT_MVD]], i32 0, i32 7, i32 0
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i16* [[TMP141]] to i8*
; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 8 [[TMP0]], i8 0, i64 32, i1 false)
; CHECK-NEXT: [[TMP151:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[LEFT_MVD]], i32 0, i32 7, i32 1
; CHECK-NEXT: [[TMP162:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[LEFT_MVD]], i32 0, i32 6, i32 0
; CHECK-NEXT: [[TMP165:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[LEFT_MVD]], i32 0, i32 6, i32 1
; CHECK-NEXT: [[TMP176:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[LEFT_MVD]], i32 0, i32 5, i32 0
; CHECK-NEXT: [[TMP179:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[LEFT_MVD]], i32 0, i32 5, i32 1
; CHECK-NEXT: [[TMP190:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[LEFT_MVD]], i32 0, i32 4, i32 0
; CHECK-NEXT: [[TMP193:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[LEFT_MVD]], i32 0, i32 4, i32 1
; CHECK-NEXT: [[TMP204:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[LEFT_MVD]], i32 0, i32 3, i32 0
; CHECK-NEXT: [[TMP207:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[LEFT_MVD]], i32 0, i32 3, i32 1
; CHECK-NEXT: [[TMP218:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[LEFT_MVD]], i32 0, i32 2, i32 0
; CHECK-NEXT: [[TMP221:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[LEFT_MVD]], i32 0, i32 2, i32 1
; CHECK-NEXT: [[TMP232:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[LEFT_MVD]], i32 0, i32 1, i32 0
; CHECK-NEXT: [[TMP235:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[LEFT_MVD]], i32 0, i32 1, i32 1
; CHECK-NEXT: [[TMP246:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[LEFT_MVD]], i32 0, i32 0, i32 0
; CHECK-NEXT: [[TMP249:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[LEFT_MVD]], i32 0, i32 0, i32 1
; CHECK-NEXT: [[UP_MVD252:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[UP_MVD]], i32 0, i32 0
; CHECK-NEXT: [[LEFT_MVD253:%.*]] = getelementptr [8 x %struct.MV], [8 x %struct.MV]* [[LEFT_MVD]], i32 0, i32 0
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i16* [[TMP246]] to i8*
; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 8 [[TMP1]], i8 0, i64 32, i1 false)
; CHECK-NEXT: call void @foo(%struct.MV* [[UP_MVD252]], %struct.MV* [[LEFT_MVD253]], i8* [[TMP41]]) [[ATTR0]]
; CHECK-NEXT: ret void
;
entry:
%ref_idx = alloca [8 x i8] ; <[8 x i8]*> [#uses=8]
%left_mvd = alloca [8 x %struct.MV] ; <[8 x %struct.MV]*> [#uses=17]
%up_mvd = alloca [8 x %struct.MV] ; <[8 x %struct.MV]*> [#uses=17]
%tmp20 = getelementptr [8 x i8], [8 x i8]* %ref_idx, i32 0, i32 7 ; <i8*> [#uses=1]
store i8 -1, i8* %tmp20, align 1
%tmp23 = getelementptr [8 x i8], [8 x i8]* %ref_idx, i32 0, i32 6 ; <i8*> [#uses=1]
store i8 -1, i8* %tmp23, align 1
%tmp26 = getelementptr [8 x i8], [8 x i8]* %ref_idx, i32 0, i32 5 ; <i8*> [#uses=1]
store i8 -1, i8* %tmp26, align 1
%tmp29 = getelementptr [8 x i8], [8 x i8]* %ref_idx, i32 0, i32 4 ; <i8*> [#uses=1]
store i8 -1, i8* %tmp29, align 1
%tmp32 = getelementptr [8 x i8], [8 x i8]* %ref_idx, i32 0, i32 3 ; <i8*> [#uses=1]
store i8 -1, i8* %tmp32, align 1
%tmp35 = getelementptr [8 x i8], [8 x i8]* %ref_idx, i32 0, i32 2 ; <i8*> [#uses=1]
store i8 -1, i8* %tmp35, align 1
%tmp38 = getelementptr [8 x i8], [8 x i8]* %ref_idx, i32 0, i32 1 ; <i8*> [#uses=1]
store i8 -1, i8* %tmp38, align 1
%tmp41 = getelementptr [8 x i8], [8 x i8]* %ref_idx, i32 0, i32 0 ; <i8*> [#uses=2]
store i8 -1, i8* %tmp41, align 1
%tmp43 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 7, i32 0 ; <i16*> [#uses=1]
store i16 0, i16* %tmp43, align 2
%tmp46 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 7, i32 1 ; <i16*> [#uses=1]
store i16 0, i16* %tmp46, align 2
%tmp57 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 6, i32 0 ; <i16*> [#uses=1]
store i16 0, i16* %tmp57, align 2
%tmp60 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 6, i32 1 ; <i16*> [#uses=1]
store i16 0, i16* %tmp60, align 2
%tmp71 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 5, i32 0 ; <i16*> [#uses=1]
store i16 0, i16* %tmp71, align 2
%tmp74 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 5, i32 1 ; <i16*> [#uses=1]
store i16 0, i16* %tmp74, align 2
%tmp85 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 4, i32 0 ; <i16*> [#uses=1]
store i16 0, i16* %tmp85, align 2
%tmp88 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 4, i32 1 ; <i16*> [#uses=1]
store i16 0, i16* %tmp88, align 2
%tmp99 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 3, i32 0 ; <i16*> [#uses=1]
store i16 0, i16* %tmp99, align 2
%tmp102 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 3, i32 1 ; <i16*> [#uses=1]
store i16 0, i16* %tmp102, align 2
%tmp113 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 2, i32 0 ; <i16*> [#uses=1]
store i16 0, i16* %tmp113, align 2
%tmp116 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 2, i32 1 ; <i16*> [#uses=1]
store i16 0, i16* %tmp116, align 2
%tmp127 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 1, i32 0 ; <i16*> [#uses=1]
store i16 0, i16* %tmp127, align 2
%tmp130 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 1, i32 1 ; <i16*> [#uses=1]
store i16 0, i16* %tmp130, align 2
%tmp141 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 0, i32 0 ; <i16*> [#uses=1]
store i16 0, i16* %tmp141, align 8
%tmp144 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 0, i32 1 ; <i16*> [#uses=1]
store i16 0, i16* %tmp144, align 2
%tmp148 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 7, i32 0 ; <i16*> [#uses=1]
store i16 0, i16* %tmp148, align 2
%tmp151 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 7, i32 1 ; <i16*> [#uses=1]
store i16 0, i16* %tmp151, align 2
%tmp162 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 6, i32 0 ; <i16*> [#uses=1]
store i16 0, i16* %tmp162, align 2
%tmp165 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 6, i32 1 ; <i16*> [#uses=1]
store i16 0, i16* %tmp165, align 2
%tmp176 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 5, i32 0 ; <i16*> [#uses=1]
store i16 0, i16* %tmp176, align 2
%tmp179 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 5, i32 1 ; <i16*> [#uses=1]
store i16 0, i16* %tmp179, align 2
%tmp190 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 4, i32 0 ; <i16*> [#uses=1]
store i16 0, i16* %tmp190, align 2
%tmp193 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 4, i32 1 ; <i16*> [#uses=1]
store i16 0, i16* %tmp193, align 2
%tmp204 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 3, i32 0 ; <i16*> [#uses=1]
store i16 0, i16* %tmp204, align 2
%tmp207 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 3, i32 1 ; <i16*> [#uses=1]
store i16 0, i16* %tmp207, align 2
%tmp218 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 2, i32 0 ; <i16*> [#uses=1]
store i16 0, i16* %tmp218, align 2
%tmp221 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 2, i32 1 ; <i16*> [#uses=1]
store i16 0, i16* %tmp221, align 2
%tmp232 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 1, i32 0 ; <i16*> [#uses=1]
store i16 0, i16* %tmp232, align 2
%tmp235 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 1, i32 1 ; <i16*> [#uses=1]
store i16 0, i16* %tmp235, align 2
%tmp246 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 0, i32 0 ; <i16*> [#uses=1]
store i16 0, i16* %tmp246, align 8
%tmp249 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 0, i32 1 ; <i16*> [#uses=1]
store i16 0, i16* %tmp249, align 2
%up_mvd252 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %up_mvd, i32 0, i32 0 ; <%struct.MV*> [#uses=1]
%left_mvd253 = getelementptr [8 x %struct.MV], [8 x %struct.MV]* %left_mvd, i32 0, i32 0 ; <%struct.MV*> [#uses=1]
call void @foo( %struct.MV* %up_mvd252, %struct.MV* %left_mvd253, i8* %tmp41 ) nounwind
ret void
}
declare void @foo(%struct.MV*, %struct.MV*, i8*)
; Store followed by memset.
define void @test3(i32* nocapture %P) nounwind ssp {
; CHECK-LABEL: @test3(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[P:%.*]], i64 1
; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 2
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[ADD_PTR]] to i8*
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[ARRAYIDX]] to i8*
; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 4 [[TMP1]], i8 0, i64 15, i1 false)
; CHECK-NEXT: ret void
;
entry:
%arrayidx = getelementptr inbounds i32, i32* %P, i64 1
store i32 0, i32* %arrayidx, align 4
%add.ptr = getelementptr inbounds i32, i32* %P, i64 2
%0 = bitcast i32* %add.ptr to i8*
tail call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 11, i1 false)
ret void
}
; store followed by memset, different offset scenario
define void @test4(i32* nocapture %P) nounwind ssp {
; CHECK-LABEL: @test4(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i32, i32* [[P:%.*]], i64 1
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[ADD_PTR]] to i8*
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[P]] to i8*
; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 4 [[TMP1]], i8 0, i64 15, i1 false)
; CHECK-NEXT: ret void
;
entry:
store i32 0, i32* %P, align 4
%add.ptr = getelementptr inbounds i32, i32* %P, i64 1
%0 = bitcast i32* %add.ptr to i8*
tail call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 11, i1 false)
ret void
}
declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1) nounwind
; Memset followed by store.
define void @test5(i32* nocapture %P) nounwind ssp {
; CHECK-LABEL: @test5(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i32, i32* [[P:%.*]], i64 2
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[ADD_PTR]] to i8*
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 1
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[ARRAYIDX]] to i8*
; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 4 [[TMP1]], i8 0, i64 15, i1 false)
; CHECK-NEXT: ret void
;
entry:
%add.ptr = getelementptr inbounds i32, i32* %P, i64 2
%0 = bitcast i32* %add.ptr to i8*
tail call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 11, i1 false)
%arrayidx = getelementptr inbounds i32, i32* %P, i64 1
store i32 0, i32* %arrayidx, align 4
ret void
}
;; Memset followed by memset.
define void @test6(i32* nocapture %P) nounwind ssp {
; CHECK-LABEL: @test6(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[P:%.*]] to i8*
; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 3
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[ADD_PTR]] to i8*
; CHECK-NEXT: [[TMP2:%.*]] = bitcast i32* [[P]] to i8*
; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* [[TMP2]], i8 0, i64 24, i1 false)
; CHECK-NEXT: ret void
;
entry:
%0 = bitcast i32* %P to i8*
tail call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 12, i1 false)
%add.ptr = getelementptr inbounds i32, i32* %P, i64 3
%1 = bitcast i32* %add.ptr to i8*
tail call void @llvm.memset.p0i8.i64(i8* %1, i8 0, i64 12, i1 false)
ret void
}
; More aggressive heuristic
; rdar://9892684
define void @test7(i32* nocapture %c) nounwind optsize {
; CHECK-LABEL: @test7(
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, i32* [[C:%.*]], i32 1
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[C]], i32 2
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[C]], i32 3
; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[C]], i32 4
; CHECK-NEXT: [[TMP5:%.*]] = bitcast i32* [[C]] to i8*
; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 4 [[TMP5]], i8 -1, i64 20, i1 false)
; CHECK-NEXT: ret void
;
store i32 -1, i32* %c, align 4
%1 = getelementptr inbounds i32, i32* %c, i32 1
store i32 -1, i32* %1, align 4
%2 = getelementptr inbounds i32, i32* %c, i32 2
store i32 -1, i32* %2, align 4
%3 = getelementptr inbounds i32, i32* %c, i32 3
store i32 -1, i32* %3, align 4
%4 = getelementptr inbounds i32, i32* %c, i32 4
store i32 -1, i32* %4, align 4
ret void
}
%struct.test8 = type { [4 x i32] }
define void @test8() {
; CHECK-LABEL: @test8(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[MEMTMP:%.*]] = alloca [[STRUCT_TEST8:%.*]], align 16
; CHECK-NEXT: [[TMP0:%.*]] = bitcast %struct.test8* [[MEMTMP]] to <4 x i32>*
; CHECK-NEXT: store <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>, <4 x i32>* [[TMP0]], align 16
; CHECK-NEXT: ret void
;
entry:
%memtmp = alloca %struct.test8, align 16
%0 = bitcast %struct.test8* %memtmp to <4 x i32>*
store <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>, <4 x i32>* %0, align 16
ret void
}
@test9buf = internal unnamed_addr global [16 x i64] zeroinitializer, align 16
define void @test9() nounwind {
; CHECK-LABEL: @test9(
; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 16 bitcast ([16 x i64]* @test9buf to i8*), i8 -1, i64 16, i1 false)
; CHECK-NEXT: ret void
;
store i8 -1, i8* bitcast ([16 x i64]* @test9buf to i8*), align 16
store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 1), align 1
store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 2), align 2
store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 3), align 1
store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 4), align 4
store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 5), align 1
store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 6), align 2
store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 7), align 1
store i8 -1, i8* bitcast (i64* getelementptr inbounds ([16 x i64], [16 x i64]* @test9buf, i64 0, i64 1) to i8*), align 8
store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 9), align 1
store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 10), align 2
store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 11), align 1
store i8 -1, i8* getelementptr (i8, i8* bitcast ([16 x i64]* @test9buf to i8*), i64 12), align 4
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
}
; PR19092
define void @test10(i8* nocapture %P) nounwind {
; CHECK-LABEL: @test10(
; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* [[P:%.*]], i8 0, i64 42, i1 false)
; CHECK-NEXT: ret void
;
tail call void @llvm.memset.p0i8.i64(i8* %P, i8 0, i64 42, i1 false)
tail call void @llvm.memset.p0i8.i64(i8* %P, i8 0, i64 23, i1 false)
ret void
}
; Memset followed by odd store.
define void @test11(i32* nocapture %P) nounwind ssp {
; CHECK-LABEL: @test11(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i32, i32* [[P:%.*]], i64 3
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[ADD_PTR]] to i8*
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 0
; CHECK-NEXT: [[ARRAYIDX_CAST:%.*]] = bitcast i32* [[ARRAYIDX]] to i96*
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i96* [[ARRAYIDX_CAST]] to i8*
; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 4 [[TMP1]], i8 1, i64 23, i1 false)
; CHECK-NEXT: ret void
;
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, 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
}
; Alignment should be preserved when there is a store with default align
define void @test12(i32* nocapture %P) nounwind ssp {
; CHECK-LABEL: @test12(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i32, i32* [[P:%.*]], i64 1
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[ADD_PTR]] to i8*
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[P]] to i8*
; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 4 [[TMP1]], i8 0, i64 15, i1 false)
; CHECK-NEXT: ret void
;
entry:
store i32 0, i32* %P
%add.ptr = getelementptr inbounds i32, i32* %P, i64 1
%0 = bitcast i32* %add.ptr to i8*
tail call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 11, i1 false)
ret void
}
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