d2234ca163
Before this patch we might have emitted pack instructions in between PHI nodes. This patch fixes it by fixing the insert point of the new packs.
91 lines
3.2 KiB
LLVM
91 lines
3.2 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="bottom-up-vec<>" %s -S | FileCheck %s
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define void @pack_constants(ptr %ptr) {
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; CHECK-LABEL: define void @pack_constants(
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; CHECK-SAME: ptr [[PTR:%.*]]) {
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; CHECK-NEXT: [[PTR0:%.*]] = getelementptr i8, ptr [[PTR]], i32 0
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; CHECK-NEXT: store <2 x i8> <i8 0, i8 1>, ptr [[PTR0]], align 1
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; CHECK-NEXT: ret void
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;
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%ptr0 = getelementptr i8, ptr %ptr, i32 0
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%ptr1 = getelementptr i8, ptr %ptr, i32 1
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store i8 0, ptr %ptr0
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store i8 1, ptr %ptr1
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ret void
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}
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; Make sure we don't generate bad IR when packing PHIs.
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; NOTE: This test may become obsolete once we start vectorizing PHIs.
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define void @packPHIs(ptr %ptr) {
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; CHECK-LABEL: define void @packPHIs(
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; CHECK-SAME: ptr [[PTR:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*]]:
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; CHECK-NEXT: br label %[[LOOP:.*]]
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; CHECK: [[LOOP]]:
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; CHECK-NEXT: [[PHI0:%.*]] = phi i8 [ 0, %[[ENTRY]] ], [ 1, %[[LOOP]] ]
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; CHECK-NEXT: [[PHI1:%.*]] = phi i8 [ 0, %[[ENTRY]] ], [ 1, %[[LOOP]] ]
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; CHECK-NEXT: [[PHI2:%.*]] = phi i8 [ 0, %[[ENTRY]] ], [ 1, %[[LOOP]] ]
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; CHECK-NEXT: [[PHI3:%.*]] = phi i8 [ 0, %[[ENTRY]] ], [ 1, %[[LOOP]] ]
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; CHECK-NEXT: [[PACK:%.*]] = insertelement <2 x i8> poison, i8 [[PHI0]], i32 0
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; CHECK-NEXT: [[PACK1:%.*]] = insertelement <2 x i8> [[PACK]], i8 [[PHI1]], i32 1
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; CHECK-NEXT: [[GEP0:%.*]] = getelementptr i8, ptr [[PTR]], i64 0
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; CHECK-NEXT: store <2 x i8> [[PACK1]], ptr [[GEP0]], align 1
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; CHECK-NEXT: br label %[[LOOP]]
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; CHECK: [[EXIT:.*:]]
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; CHECK-NEXT: ret void
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;
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entry:
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br label %loop
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loop:
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%phi0 = phi i8 [0, %entry], [1, %loop]
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%phi1 = phi i8 [0, %entry], [1, %loop]
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%phi2 = phi i8 [0, %entry], [1, %loop]
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%phi3 = phi i8 [0, %entry], [1, %loop]
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%gep0 = getelementptr i8, ptr %ptr, i64 0
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%gep1 = getelementptr i8, ptr %ptr, i64 1
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store i8 %phi0, ptr %gep0
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store i8 %phi1, ptr %gep1
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br label %loop
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exit:
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ret void
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}
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define void @packFromOtherBB(ptr %ptr, i8 %val) {
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; CHECK-LABEL: define void @packFromOtherBB(
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; CHECK-SAME: ptr [[PTR:%.*]], i8 [[VAL:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*]]:
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; CHECK-NEXT: [[ADD0:%.*]] = add i8 [[VAL]], 0
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; CHECK-NEXT: [[MUL1:%.*]] = mul i8 [[VAL]], 1
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; CHECK-NEXT: [[PACK:%.*]] = insertelement <2 x i8> poison, i8 [[ADD0]], i32 0
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; CHECK-NEXT: [[PACK1:%.*]] = insertelement <2 x i8> [[PACK]], i8 [[MUL1]], i32 1
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; CHECK-NEXT: br label %[[LOOP:.*]]
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; CHECK: [[LOOP]]:
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; CHECK-NEXT: [[PHI0:%.*]] = phi i8 [ 0, %[[ENTRY]] ], [ 1, %[[LOOP]] ]
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; CHECK-NEXT: [[PHI1:%.*]] = phi i8 [ 0, %[[ENTRY]] ], [ 1, %[[LOOP]] ]
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; CHECK-NEXT: [[GEP0:%.*]] = getelementptr i8, ptr [[PTR]], i64 0
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; CHECK-NEXT: store <2 x i8> [[PACK1]], ptr [[GEP0]], align 1
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; CHECK-NEXT: br label %[[LOOP]]
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; CHECK: [[EXIT:.*:]]
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; CHECK-NEXT: ret void
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;
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entry:
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%add0 = add i8 %val, 0
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%mul1 = mul i8 %val, 1
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br label %loop
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loop:
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%phi0 = phi i8 [0, %entry], [1, %loop]
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%phi1 = phi i8 [0, %entry], [1, %loop]
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%gep0 = getelementptr i8, ptr %ptr, i64 0
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%gep1 = getelementptr i8, ptr %ptr, i64 1
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store i8 %add0, ptr %gep0
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store i8 %mul1, ptr %gep1
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br label %loop
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exit:
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ret void
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}
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