264 lines
12 KiB
LLVM
264 lines
12 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=instcombine -S < %s | FileCheck %s
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target datalayout = "e-i64:64-f80:128-n8:16:32:64"
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target triple = "x86_64-unknown-linux-gnu"
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%A__vtbl = type { ptr, ptr }
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%A = type { ptr }
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%B = type { ptr, i64 }
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@A__vtblZ = constant %A__vtbl { ptr null, ptr @A.foo }
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declare i32 @A.foo(ptr nocapture %this)
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define void @storeA(ptr %a.ptr) {
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; CHECK-LABEL: @storeA(
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; CHECK-NEXT: store ptr @A__vtblZ, ptr [[A_PTR:%.*]], align 8
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; CHECK-NEXT: ret void
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;
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store %A { ptr @A__vtblZ }, ptr %a.ptr, align 8
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ret void
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}
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define void @storeB(ptr %b.ptr) {
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; CHECK-LABEL: @storeB(
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; CHECK-NEXT: store ptr null, ptr [[B_PTR:%.*]], align 8
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; CHECK-NEXT: [[B_PTR_REPACK1:%.*]] = getelementptr inbounds [[B:%.*]], ptr [[B_PTR]], i64 0, i32 1
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; CHECK-NEXT: store i64 42, ptr [[B_PTR_REPACK1]], align 8
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; CHECK-NEXT: ret void
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;
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store %B { ptr null, i64 42 }, ptr %b.ptr, align 8
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ret void
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}
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define void @storeStructOfA(ptr %sa.ptr) {
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; CHECK-LABEL: @storeStructOfA(
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; CHECK-NEXT: store ptr @A__vtblZ, ptr [[SA_PTR:%.*]], align 8
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; CHECK-NEXT: ret void
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;
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store { %A } { %A { ptr @A__vtblZ } }, ptr %sa.ptr, align 8
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ret void
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}
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define void @storeArrayOfA(ptr %aa.ptr) {
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; CHECK-LABEL: @storeArrayOfA(
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; CHECK-NEXT: store ptr @A__vtblZ, ptr [[AA_PTR:%.*]], align 8
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; CHECK-NEXT: ret void
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;
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store [1 x %A] [%A { ptr @A__vtblZ }], ptr %aa.ptr, align 8
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ret void
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}
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; UTC_ARGS: --disable
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define void @storeLargeArrayOfA(ptr %aa.ptr) {
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; CHECK-LABEL: @storeLargeArrayOfA(
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; CHECK-NEXT: store [2000 x %A]
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; CHECK-NEXT: ret void
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;
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%i1 = insertvalue [2000 x %A] poison, %A { ptr @A__vtblZ }, 1
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store [2000 x %A] %i1, ptr %aa.ptr, align 8
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ret void
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}
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; UTC_ARGS: --enable
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define void @storeStructOfArrayOfA(ptr %saa.ptr) {
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; CHECK-LABEL: @storeStructOfArrayOfA(
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; CHECK-NEXT: store ptr @A__vtblZ, ptr [[SAA_PTR:%.*]], align 8
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; CHECK-NEXT: ret void
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;
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store { [1 x %A] } { [1 x %A] [%A { ptr @A__vtblZ }] }, ptr %saa.ptr, align 8
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ret void
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}
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define void @storeArrayOfB(ptr %ab.ptr, [2 x %B] %ab) {
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; CHECK-LABEL: @storeArrayOfB(
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; CHECK-NEXT: [[AB_ELT:%.*]] = extractvalue [2 x %B] [[AB:%.*]], 0
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; CHECK-NEXT: [[AB_ELT_ELT:%.*]] = extractvalue [[B:%.*]] [[AB_ELT]], 0
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; CHECK-NEXT: store ptr [[AB_ELT_ELT]], ptr [[AB_PTR:%.*]], align 8
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; CHECK-NEXT: [[AB_PTR_REPACK3:%.*]] = getelementptr inbounds [[B]], ptr [[AB_PTR]], i64 0, i32 1
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; CHECK-NEXT: [[AB_ELT_ELT4:%.*]] = extractvalue [[B]] [[AB_ELT]], 1
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; CHECK-NEXT: store i64 [[AB_ELT_ELT4]], ptr [[AB_PTR_REPACK3]], align 8
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; CHECK-NEXT: [[AB_PTR_REPACK1:%.*]] = getelementptr inbounds [2 x %B], ptr [[AB_PTR]], i64 0, i64 1
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; CHECK-NEXT: [[AB_ELT2:%.*]] = extractvalue [2 x %B] [[AB]], 1
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; CHECK-NEXT: [[AB_ELT2_ELT:%.*]] = extractvalue [[B]] [[AB_ELT2]], 0
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; CHECK-NEXT: store ptr [[AB_ELT2_ELT]], ptr [[AB_PTR_REPACK1]], align 8
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; CHECK-NEXT: [[AB_PTR_REPACK1_REPACK5:%.*]] = getelementptr inbounds [2 x %B], ptr [[AB_PTR]], i64 0, i64 1, i32 1
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; CHECK-NEXT: [[AB_ELT2_ELT6:%.*]] = extractvalue [[B]] [[AB_ELT2]], 1
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; CHECK-NEXT: store i64 [[AB_ELT2_ELT6]], ptr [[AB_PTR_REPACK1_REPACK5]], align 8
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; CHECK-NEXT: ret void
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;
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store [2 x %B] %ab, ptr %ab.ptr, align 8
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ret void
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}
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define %A @loadA(ptr %a.ptr) {
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; CHECK-LABEL: @loadA(
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; CHECK-NEXT: [[DOTUNPACK:%.*]] = load ptr, ptr [[A_PTR:%.*]], align 8
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; CHECK-NEXT: [[TMP1:%.*]] = insertvalue [[A:%.*]] poison, ptr [[DOTUNPACK]], 0
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; CHECK-NEXT: ret [[A]] [[TMP1]]
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;
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%1 = load %A, ptr %a.ptr, align 8
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ret %A %1
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}
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define %B @loadB(ptr %b.ptr) {
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; CHECK-LABEL: @loadB(
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; CHECK-NEXT: [[DOTUNPACK:%.*]] = load ptr, ptr [[B_PTR:%.*]], align 8
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; CHECK-NEXT: [[TMP1:%.*]] = insertvalue [[B:%.*]] poison, ptr [[DOTUNPACK]], 0
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; CHECK-NEXT: [[DOTELT1:%.*]] = getelementptr inbounds [[B]], ptr [[B_PTR]], i64 0, i32 1
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; CHECK-NEXT: [[DOTUNPACK2:%.*]] = load i64, ptr [[DOTELT1]], align 8
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; CHECK-NEXT: [[TMP2:%.*]] = insertvalue [[B]] [[TMP1]], i64 [[DOTUNPACK2]], 1
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; CHECK-NEXT: ret [[B]] [[TMP2]]
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;
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%1 = load %B, ptr %b.ptr, align 8
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ret %B %1
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}
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define { %A } @loadStructOfA(ptr %sa.ptr) {
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; CHECK-LABEL: @loadStructOfA(
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; CHECK-NEXT: [[DOTUNPACK_UNPACK:%.*]] = load ptr, ptr [[SA_PTR:%.*]], align 8
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; CHECK-NEXT: [[DOTUNPACK1:%.*]] = insertvalue [[A:%.*]] poison, ptr [[DOTUNPACK_UNPACK]], 0
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; CHECK-NEXT: [[TMP1:%.*]] = insertvalue { [[A]] } poison, [[A]] [[DOTUNPACK1]], 0
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; CHECK-NEXT: ret { [[A]] } [[TMP1]]
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;
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%1 = load { %A }, ptr %sa.ptr, align 8
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ret { %A } %1
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}
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define [1 x %A] @loadArrayOfA(ptr %aa.ptr) {
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; CHECK-LABEL: @loadArrayOfA(
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; CHECK-NEXT: [[DOTUNPACK_UNPACK:%.*]] = load ptr, ptr [[AA_PTR:%.*]], align 8
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; CHECK-NEXT: [[DOTUNPACK1:%.*]] = insertvalue [[A:%.*]] poison, ptr [[DOTUNPACK_UNPACK]], 0
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; CHECK-NEXT: [[TMP1:%.*]] = insertvalue [1 x %A] poison, [[A]] [[DOTUNPACK1]], 0
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; CHECK-NEXT: ret [1 x %A] [[TMP1]]
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;
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%1 = load [1 x %A], ptr %aa.ptr, align 8
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ret [1 x %A] %1
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}
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define { [1 x %A] } @loadStructOfArrayOfA(ptr %saa.ptr) {
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; CHECK-LABEL: @loadStructOfArrayOfA(
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; CHECK-NEXT: [[DOTUNPACK_UNPACK_UNPACK:%.*]] = load ptr, ptr [[SAA_PTR:%.*]], align 8
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; CHECK-NEXT: [[DOTUNPACK_UNPACK2:%.*]] = insertvalue [[A:%.*]] poison, ptr [[DOTUNPACK_UNPACK_UNPACK]], 0
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; CHECK-NEXT: [[DOTUNPACK1:%.*]] = insertvalue [1 x %A] poison, [[A]] [[DOTUNPACK_UNPACK2]], 0
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; CHECK-NEXT: [[TMP1:%.*]] = insertvalue { [1 x %A] } poison, [1 x %A] [[DOTUNPACK1]], 0
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; CHECK-NEXT: ret { [1 x %A] } [[TMP1]]
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;
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%1 = load { [1 x %A] }, ptr %saa.ptr, align 8
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ret { [1 x %A] } %1
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}
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define { %A } @structOfA(ptr %sa.ptr) {
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; CHECK-LABEL: @structOfA(
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; CHECK-NEXT: store ptr @A__vtblZ, ptr [[SA_PTR:%.*]], align 8
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; CHECK-NEXT: ret { [[A:%.*]] } { [[A]] { ptr @A__vtblZ } }
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;
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store { %A } { %A { ptr @A__vtblZ } }, ptr %sa.ptr, align 8
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%1 = load { %A }, ptr %sa.ptr, align 8
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ret { %A } %1
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}
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define %B @structB(ptr %b.ptr) {
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; CHECK-LABEL: @structB(
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; CHECK-NEXT: store ptr null, ptr [[B_PTR:%.*]], align 8
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; CHECK-NEXT: [[B_PTR_REPACK1:%.*]] = getelementptr inbounds [[B:%.*]], ptr [[B_PTR]], i64 0, i32 1
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; CHECK-NEXT: store i64 42, ptr [[B_PTR_REPACK1]], align 8
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; CHECK-NEXT: ret [[B]] { ptr null, i64 42 }
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;
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store %B { ptr null, i64 42 }, ptr %b.ptr, align 8
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%1 = load %B, ptr %b.ptr, align 8
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ret %B %1
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}
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define [2 x %B] @loadArrayOfB(ptr %ab.ptr) {
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; CHECK-LABEL: @loadArrayOfB(
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; CHECK-NEXT: [[DOTUNPACK_UNPACK:%.*]] = load ptr, ptr [[AB_PTR:%.*]], align 8
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; CHECK-NEXT: [[TMP1:%.*]] = insertvalue [[B:%.*]] poison, ptr [[DOTUNPACK_UNPACK]], 0
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; CHECK-NEXT: [[DOTUNPACK_ELT3:%.*]] = getelementptr inbounds [[B]], ptr [[AB_PTR]], i64 0, i32 1
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; CHECK-NEXT: [[DOTUNPACK_UNPACK4:%.*]] = load i64, ptr [[DOTUNPACK_ELT3]], align 8
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; CHECK-NEXT: [[DOTUNPACK5:%.*]] = insertvalue [[B]] [[TMP1]], i64 [[DOTUNPACK_UNPACK4]], 1
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; CHECK-NEXT: [[TMP2:%.*]] = insertvalue [2 x %B] poison, [[B]] [[DOTUNPACK5]], 0
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; CHECK-NEXT: [[DOTELT1:%.*]] = getelementptr inbounds [2 x %B], ptr [[AB_PTR]], i64 0, i64 1
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; CHECK-NEXT: [[DOTUNPACK2_UNPACK:%.*]] = load ptr, ptr [[DOTELT1]], align 8
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; CHECK-NEXT: [[TMP3:%.*]] = insertvalue [[B]] poison, ptr [[DOTUNPACK2_UNPACK]], 0
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; CHECK-NEXT: [[DOTUNPACK2_ELT6:%.*]] = getelementptr inbounds [2 x %B], ptr [[AB_PTR]], i64 0, i64 1, i32 1
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; CHECK-NEXT: [[DOTUNPACK2_UNPACK7:%.*]] = load i64, ptr [[DOTUNPACK2_ELT6]], align 8
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; CHECK-NEXT: [[DOTUNPACK28:%.*]] = insertvalue [[B]] [[TMP3]], i64 [[DOTUNPACK2_UNPACK7]], 1
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; CHECK-NEXT: [[TMP4:%.*]] = insertvalue [2 x %B] [[TMP2]], [[B]] [[DOTUNPACK28]], 1
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; CHECK-NEXT: ret [2 x %B] [[TMP4]]
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;
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%1 = load [2 x %B], ptr %ab.ptr, align 8
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ret [2 x %B] %1
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}
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define [2000 x %B] @loadLargeArrayOfB(ptr %ab.ptr) {
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; CHECK-LABEL: @loadLargeArrayOfB(
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; CHECK-NEXT: [[TMP1:%.*]] = load [2000 x %B], ptr [[AB_PTR:%.*]], align 8
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; CHECK-NEXT: ret [2000 x %B] [[TMP1]]
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;
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%1 = load [2000 x %B], ptr %ab.ptr, align 8
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ret [2000 x %B] %1
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}
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%struct.S = type <{ i8, %struct.T }>
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%struct.T = type { i32, i32 }
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; Make sure that we do not increase alignment of packed struct element
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define i32 @packed_alignment(ptr dereferenceable(9) %s) {
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; CHECK-LABEL: @packed_alignment(
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; CHECK-NEXT: [[TV_ELT1:%.*]] = getelementptr inbounds [[STRUCT_S:%.*]], ptr [[S:%.*]], i64 0, i32 1, i32 1
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; CHECK-NEXT: [[TV_UNPACK2:%.*]] = load i32, ptr [[TV_ELT1]], align 1
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; CHECK-NEXT: ret i32 [[TV_UNPACK2]]
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;
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%t = getelementptr inbounds %struct.S, ptr %s, i32 0, i32 1
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%tv = load %struct.T, ptr %t, align 1
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%v = extractvalue %struct.T %tv, 1
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ret i32 %v
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}
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%struct.U = type {i8, i8, i8, i8, i8, i8, i8, i8, i64}
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define void @check_alignment(ptr %u, ptr %v) {
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; CHECK-LABEL: @check_alignment(
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; CHECK-NEXT: [[DOTUNPACK:%.*]] = load i8, ptr [[U:%.*]], align 8
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; CHECK-NEXT: [[DOTELT1:%.*]] = getelementptr inbounds [[STRUCT_U:%.*]], ptr [[U]], i64 0, i32 1
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; CHECK-NEXT: [[DOTUNPACK2:%.*]] = load i8, ptr [[DOTELT1]], align 1
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; CHECK-NEXT: [[DOTELT3:%.*]] = getelementptr inbounds [[STRUCT_U]], ptr [[U]], i64 0, i32 2
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; CHECK-NEXT: [[DOTUNPACK4:%.*]] = load i8, ptr [[DOTELT3]], align 2
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; CHECK-NEXT: [[DOTELT5:%.*]] = getelementptr inbounds [[STRUCT_U]], ptr [[U]], i64 0, i32 3
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; CHECK-NEXT: [[DOTUNPACK6:%.*]] = load i8, ptr [[DOTELT5]], align 1
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; CHECK-NEXT: [[DOTELT7:%.*]] = getelementptr inbounds [[STRUCT_U]], ptr [[U]], i64 0, i32 4
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; CHECK-NEXT: [[DOTUNPACK8:%.*]] = load i8, ptr [[DOTELT7]], align 4
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; CHECK-NEXT: [[DOTELT9:%.*]] = getelementptr inbounds [[STRUCT_U]], ptr [[U]], i64 0, i32 5
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; CHECK-NEXT: [[DOTUNPACK10:%.*]] = load i8, ptr [[DOTELT9]], align 1
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; CHECK-NEXT: [[DOTELT11:%.*]] = getelementptr inbounds [[STRUCT_U]], ptr [[U]], i64 0, i32 6
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; CHECK-NEXT: [[DOTUNPACK12:%.*]] = load i8, ptr [[DOTELT11]], align 2
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; CHECK-NEXT: [[DOTELT13:%.*]] = getelementptr inbounds [[STRUCT_U]], ptr [[U]], i64 0, i32 7
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; CHECK-NEXT: [[DOTUNPACK14:%.*]] = load i8, ptr [[DOTELT13]], align 1
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; CHECK-NEXT: [[DOTELT15:%.*]] = getelementptr inbounds [[STRUCT_U]], ptr [[U]], i64 0, i32 8
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; CHECK-NEXT: [[DOTUNPACK16:%.*]] = load i64, ptr [[DOTELT15]], align 8
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; CHECK-NEXT: store i8 [[DOTUNPACK]], ptr [[V:%.*]], align 8
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; CHECK-NEXT: [[V_REPACK17:%.*]] = getelementptr inbounds [[STRUCT_U]], ptr [[V]], i64 0, i32 1
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; CHECK-NEXT: store i8 [[DOTUNPACK2]], ptr [[V_REPACK17]], align 1
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; CHECK-NEXT: [[V_REPACK19:%.*]] = getelementptr inbounds [[STRUCT_U]], ptr [[V]], i64 0, i32 2
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; CHECK-NEXT: store i8 [[DOTUNPACK4]], ptr [[V_REPACK19]], align 2
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; CHECK-NEXT: [[V_REPACK21:%.*]] = getelementptr inbounds [[STRUCT_U]], ptr [[V]], i64 0, i32 3
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; CHECK-NEXT: store i8 [[DOTUNPACK6]], ptr [[V_REPACK21]], align 1
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; CHECK-NEXT: [[V_REPACK23:%.*]] = getelementptr inbounds [[STRUCT_U]], ptr [[V]], i64 0, i32 4
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; CHECK-NEXT: store i8 [[DOTUNPACK8]], ptr [[V_REPACK23]], align 4
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; CHECK-NEXT: [[V_REPACK25:%.*]] = getelementptr inbounds [[STRUCT_U]], ptr [[V]], i64 0, i32 5
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; CHECK-NEXT: store i8 [[DOTUNPACK10]], ptr [[V_REPACK25]], align 1
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; CHECK-NEXT: [[V_REPACK27:%.*]] = getelementptr inbounds [[STRUCT_U]], ptr [[V]], i64 0, i32 6
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; CHECK-NEXT: store i8 [[DOTUNPACK12]], ptr [[V_REPACK27]], align 2
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; CHECK-NEXT: [[V_REPACK29:%.*]] = getelementptr inbounds [[STRUCT_U]], ptr [[V]], i64 0, i32 7
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; CHECK-NEXT: store i8 [[DOTUNPACK14]], ptr [[V_REPACK29]], align 1
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; CHECK-NEXT: [[V_REPACK31:%.*]] = getelementptr inbounds [[STRUCT_U]], ptr [[V]], i64 0, i32 8
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; CHECK-NEXT: store i64 [[DOTUNPACK16]], ptr [[V_REPACK31]], align 8
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; CHECK-NEXT: ret void
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;
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%1 = load %struct.U, ptr %u
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store %struct.U %1, ptr %v
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ret void
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}
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