adf0abf354
When debugging miscompiles we need a way to force-stop the vectorizer early. This helps figure out which invocation is generating incorrect code.
62 lines
3.4 KiB
LLVM
62 lines
3.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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; RUN: opt -passes=sandbox-vectorizer -sbvec-vec-reg-bits=1024 -sbvec-allow-non-pow2 -sbvec-passes="seed-collection<tr-save,bottom-up-vec,tr-accept>" --sbvec-stop-at=0 %s -S | FileCheck %s --check-prefix=STOPAT0
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; RUN: opt -passes=sandbox-vectorizer -sbvec-vec-reg-bits=1024 -sbvec-allow-non-pow2 -sbvec-passes="seed-collection<tr-save,bottom-up-vec,tr-accept>" --sbvec-stop-at=1 %s -S | FileCheck %s --check-prefix=STOPAT1
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; RUN: opt -passes=sandbox-vectorizer -sbvec-vec-reg-bits=1024 -sbvec-allow-non-pow2 -sbvec-passes="seed-collection<tr-save,bottom-up-vec,tr-accept>" --sbvec-stop-at=2 %s -S | FileCheck %s --check-prefix=STOPAT2
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define void @widen(ptr %ptrA, ptr %ptrB) {
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; STOPAT0-LABEL: define void @widen(
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; STOPAT0-SAME: ptr [[PTRA:%.*]], ptr [[PTRB:%.*]]) {
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; STOPAT0-NEXT: [[PTRA0:%.*]] = getelementptr float, ptr [[PTRA]], i32 0
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; STOPAT0-NEXT: [[PTRA1:%.*]] = getelementptr float, ptr [[PTRA]], i32 1
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; STOPAT0-NEXT: [[LDA0:%.*]] = load float, ptr [[PTRA0]], align 4
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; STOPAT0-NEXT: [[LDA1:%.*]] = load float, ptr [[PTRA1]], align 4
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; STOPAT0-NEXT: store float [[LDA0]], ptr [[PTRA0]], align 4
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; STOPAT0-NEXT: store float [[LDA1]], ptr [[PTRA1]], align 4
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; STOPAT0-NEXT: [[PTRB0:%.*]] = getelementptr float, ptr [[PTRB]], i32 0
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; STOPAT0-NEXT: [[PTRB1:%.*]] = getelementptr float, ptr [[PTRB]], i32 1
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; STOPAT0-NEXT: [[LDB0:%.*]] = load float, ptr [[PTRB0]], align 4
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; STOPAT0-NEXT: [[LDB1:%.*]] = load float, ptr [[PTRB1]], align 4
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; STOPAT0-NEXT: store float [[LDB0]], ptr [[PTRB0]], align 4
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; STOPAT0-NEXT: store float [[LDB1]], ptr [[PTRB1]], align 4
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; STOPAT0-NEXT: ret void
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;
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; STOPAT1-LABEL: define void @widen(
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; STOPAT1-SAME: ptr [[PTRA:%.*]], ptr [[PTRB:%.*]]) {
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; STOPAT1-NEXT: [[PTRA0:%.*]] = getelementptr float, ptr [[PTRA]], i32 0
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; STOPAT1-NEXT: [[VECL:%.*]] = load <2 x float>, ptr [[PTRA0]], align 4
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; STOPAT1-NEXT: store <2 x float> [[VECL]], ptr [[PTRA0]], align 4
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; STOPAT1-NEXT: [[PTRB0:%.*]] = getelementptr float, ptr [[PTRB]], i32 0
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; STOPAT1-NEXT: [[PTRB1:%.*]] = getelementptr float, ptr [[PTRB]], i32 1
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; STOPAT1-NEXT: [[LDB0:%.*]] = load float, ptr [[PTRB0]], align 4
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; STOPAT1-NEXT: [[LDB1:%.*]] = load float, ptr [[PTRB1]], align 4
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; STOPAT1-NEXT: store float [[LDB0]], ptr [[PTRB0]], align 4
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; STOPAT1-NEXT: store float [[LDB1]], ptr [[PTRB1]], align 4
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; STOPAT1-NEXT: ret void
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;
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; STOPAT2-LABEL: define void @widen(
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; STOPAT2-SAME: ptr [[PTRA:%.*]], ptr [[PTRB:%.*]]) {
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; STOPAT2-NEXT: [[PTRA0:%.*]] = getelementptr float, ptr [[PTRA]], i32 0
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; STOPAT2-NEXT: [[VECL:%.*]] = load <2 x float>, ptr [[PTRA0]], align 4
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; STOPAT2-NEXT: store <2 x float> [[VECL]], ptr [[PTRA0]], align 4
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; STOPAT2-NEXT: [[PTRB0:%.*]] = getelementptr float, ptr [[PTRB]], i32 0
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; STOPAT2-NEXT: [[VECL1:%.*]] = load <2 x float>, ptr [[PTRB0]], align 4
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; STOPAT2-NEXT: store <2 x float> [[VECL1]], ptr [[PTRB0]], align 4
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; STOPAT2-NEXT: ret void
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;
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%ptrA0 = getelementptr float, ptr %ptrA, i32 0
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%ptrA1 = getelementptr float, ptr %ptrA, i32 1
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%ldA0 = load float, ptr %ptrA0
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%ldA1 = load float, ptr %ptrA1
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store float %ldA0, ptr %ptrA0
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store float %ldA1, ptr %ptrA1
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%ptrB0 = getelementptr float, ptr %ptrB, i32 0
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%ptrB1 = getelementptr float, ptr %ptrB, i32 1
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%ldB0 = load float, ptr %ptrB0
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%ldB1 = load float, ptr %ptrB1
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store float %ldB0, ptr %ptrB0
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store float %ldB1, ptr %ptrB1
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ret void
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}
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