33 lines
1.3 KiB
LLVM
33 lines
1.3 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -separate-const-offset-from-gep < %s | FileCheck %s
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; RUN: opt -S -passes=separate-const-offset-from-gep < %s | FileCheck %s
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define void @matchingExtensions(i32* %ap, i32* %bp, i64* %result) {
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; CHECK-LABEL: @matchingExtensions(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[A:%.*]] = load i32, i32* [[AP:%.*]], align 4
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; CHECK-NEXT: [[B:%.*]] = load i32, i32* [[BP:%.*]], align 4
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; CHECK-NEXT: [[EB:%.*]] = sext i32 [[B]] to i64
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; CHECK-NEXT: [[SUBAB:%.*]] = sub nsw i32 [[A]], [[B]]
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; CHECK-NEXT: [[EA:%.*]] = sext i32 [[A]] to i64
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; CHECK-NEXT: [[ADDEAEB:%.*]] = add nsw i64 [[EA]], [[EB]]
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; CHECK-NEXT: [[EXTSUB:%.*]] = sext i32 [[SUBAB]] to i64
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; CHECK-NEXT: [[IDX:%.*]] = getelementptr i32, i32* [[AP]], i64 [[EXTSUB]]
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; CHECK-NEXT: store i64 [[ADDEAEB]], i64* [[RESULT:%.*]]
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; CHECK-NEXT: store i32 [[SUBAB]], i32* [[IDX]]
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; CHECK-NEXT: ret void
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;
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entry:
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%a = load i32, i32* %ap
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%b = load i32, i32* %bp
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%eb = sext i32 %b to i64
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%subab = sub nsw i32 %a, %b
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%ea = sext i32 %a to i64
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%addeaeb = add nsw i64 %ea, %eb
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%extsub = sext i32 %subab to i64
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%idx = getelementptr i32, i32* %ap, i64 %extsub
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store i64 %addeaeb, i64* %result
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store i32 %subab, i32* %idx
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ret void
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}
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