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TheRock/compiler/amd-llvm/llvm/test/Transforms/GlobalOpt/globalsra-unknown-index.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

54 lines
1.5 KiB
LLVM

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