20d8f8ca1a
The logic had a flaw where the alignment from the original aggregate is unintentionally retained for elements when the calculated known alignment is not higher than the element's ABI type alignment. Fixes #115282.
52 lines
2.2 KiB
LLVM
52 lines
2.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals all --version 5
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; RUN: opt < %s -passes=globalopt -S | FileCheck %s
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@params = internal global [4 x i32] zeroinitializer, align 32
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;.
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; CHECK: @params.0 = internal unnamed_addr global i32 0, align 32
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; CHECK: @params.1 = internal unnamed_addr global i32 0, align 4
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; CHECK: @params.2 = internal unnamed_addr global i32 0, align 8
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; CHECK: @params.3 = internal unnamed_addr global i32 0, align 4
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;.
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define void @set(i32 %a, i32 %b, i32 %c, i32 %d) {
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; CHECK-LABEL: define void @set(
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; CHECK-SAME: i32 [[A:%.*]], i32 [[B:%.*]], i32 [[C:%.*]], i32 [[D:%.*]]) local_unnamed_addr {
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; CHECK-NEXT: store i32 [[A]], ptr @params.0, align 32
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; CHECK-NEXT: store i32 [[B]], ptr @params.1, align 4
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; CHECK-NEXT: store i32 [[C]], ptr @params.2, align 8
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; CHECK-NEXT: store i32 [[D]], ptr @params.3, align 4
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; CHECK-NEXT: ret void
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;
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store i32 %a, ptr @params
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store i32 %b, ptr getelementptr ([4 x i32], ptr @params, i32 0, i32 1)
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store i32 %c, ptr getelementptr ([4 x i32], ptr @params, i32 0, i32 2)
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store i32 %d, ptr getelementptr ([4 x i32], ptr @params, i32 0, i32 3)
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ret void
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}
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%S = type { i32, i32, i32, i32 }
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define %S @get() {
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; CHECK-LABEL: define %S @get() local_unnamed_addr {
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; CHECK-NEXT: [[A:%.*]] = load i32, ptr @params.0, align 32
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; CHECK-NEXT: [[SA:%.*]] = insertvalue [[S:%.*]] undef, i32 [[A]], 0
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; CHECK-NEXT: [[B:%.*]] = load i32, ptr @params.1, align 4
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; CHECK-NEXT: [[SB:%.*]] = insertvalue [[S]] [[SA]], i32 [[B]], 1
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; CHECK-NEXT: [[C:%.*]] = load i32, ptr @params.2, align 8
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; CHECK-NEXT: [[SC:%.*]] = insertvalue [[S]] [[SB]], i32 [[C]], 2
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; CHECK-NEXT: [[D:%.*]] = load i32, ptr @params.3, align 4
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; CHECK-NEXT: [[SD:%.*]] = insertvalue [[S]] [[SC]], i32 [[D]], 3
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; CHECK-NEXT: ret [[S]] [[SD]]
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;
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%a = load i32, ptr @params
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%sa = insertvalue %S undef, i32 %a, 0
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%b = load i32, ptr getelementptr ([4 x i32], ptr @params, i32 0, i32 1)
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%sb = insertvalue %S %sa, i32 %b, 1
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%c = load i32, ptr getelementptr ([4 x i32], ptr @params, i32 0, i32 2)
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%sc = insertvalue %S %sb, i32 %c, 2
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%d = load i32, ptr getelementptr ([4 x i32], ptr @params, i32 0, i32 3)
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%sd = insertvalue %S %sc, i32 %d, 3
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ret %S %sd
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}
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