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55 lines
1.6 KiB
LLVM
55 lines
1.6 KiB
LLVM
; RUN: opt < %s -globalopt -S | FileCheck %s
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; globalopt should not sra the global, because it can't see the index.
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%struct.X = type { [3 x i32], [3 x i32] }
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; CHECK: @Y = internal unnamed_addr global [3 x %struct.X] zeroinitializer
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@Y = internal global [3 x %struct.X] zeroinitializer
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@addr = external global i8
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define void @frob() {
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store i32 1, i32* getelementptr inbounds ([3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 ptrtoint (i8* @addr to i64)), align 4
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ret void
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}
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; CHECK-LABEL: @borf
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; CHECK: %a = load
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; CHECK: %b = load
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; CHECK: add i32 %a, %b
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define i32 @borf(i64 %i, i64 %j) {
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%p = getelementptr inbounds [3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 0
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%a = load i32, i32* %p
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%q = getelementptr inbounds [3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 0, i32 1, i64 0
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%b = load i32, i32* %q
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%c = add i32 %a, %b
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ret i32 %c
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}
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; CHECK-LABEL: @borg
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; CHECK: %a = load
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; CHECK: %b = load
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; CHECK: add i32 %a, %b
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define i32 @borg(i64 %i, i64 %j) {
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%p = getelementptr inbounds [3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 1, i32 0, i64 1
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%a = load i32, i32* %p
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%q = getelementptr inbounds [3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 1, i32 1, i64 1
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%b = load i32, i32* %q
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%c = add i32 %a, %b
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ret i32 %c
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}
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; CHECK-LABEL: @borh
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; CHECK: %a = load
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; CHECK: %b = load
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; CHECK: add i32 %a, %b
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define i32 @borh(i64 %i, i64 %j) {
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%p = getelementptr inbounds [3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 2, i32 0, i64 2
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%a = load i32, i32* %p
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%q = getelementptr inbounds [3 x %struct.X], [3 x %struct.X]* @Y, i64 0, i64 2, i32 1, i64 2
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%b = load i32, i32* %q
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%c = add i32 %a, %b
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ret i32 %c
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}
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