b0d3405578
When an alloc slice's users include llvm.protected.field.ptr intrinsics and their discriminators are consistent, drop the intrinsics in order to avoid unnecessary pointer sign and auth operations. Reviewers: nikic Reviewed By: nikic Pull Request: https://github.com/llvm/llvm-project/pull/151650
94 lines
3.8 KiB
LLVM
94 lines
3.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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; RUN: opt -passes=sroa -S < %s | FileCheck %s
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define void @slice(ptr %ptr1, ptr %ptr2, ptr %out1, ptr %out2) {
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; CHECK-LABEL: define void @slice(
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; CHECK-SAME: ptr [[PTR1:%.*]], ptr [[PTR2:%.*]], ptr [[OUT1:%.*]], ptr [[OUT2:%.*]]) {
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; CHECK-NEXT: store ptr [[PTR1]], ptr [[OUT1]], align 8
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; CHECK-NEXT: store ptr [[PTR2]], ptr [[OUT2]], align 8
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; CHECK-NEXT: ret void
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;
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%alloca = alloca { ptr, ptr }
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%protptrptr1.1 = call ptr @llvm.protected.field.ptr.p0(ptr %alloca, i64 1, i1 true)
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store ptr %ptr1, ptr %protptrptr1.1
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%protptrptr1.2 = call ptr @llvm.protected.field.ptr.p0(ptr %alloca, i64 1, i1 true)
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%ptr1a = load ptr, ptr %protptrptr1.2
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%gep = getelementptr { ptr, ptr }, ptr %alloca, i64 0, i32 1
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%protptrptr2.1 = call ptr @llvm.protected.field.ptr.p0(ptr %gep, i64 2, i1 true)
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store ptr %ptr2, ptr %protptrptr2.1
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%protptrptr2.2 = call ptr @llvm.protected.field.ptr.p0(ptr %gep, i64 2, i1 true)
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%ptr2a = load ptr, ptr %protptrptr2.2
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store ptr %ptr1a, ptr %out1
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store ptr %ptr2a, ptr %out2
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ret void
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}
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define ptr @mixed(ptr %ptr) {
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; CHECK-LABEL: define ptr @mixed(
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; CHECK-SAME: ptr [[PTR:%.*]]) {
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; CHECK-NEXT: [[ALLOCA:%.*]] = alloca ptr, align 8
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; CHECK-NEXT: store ptr [[PTR]], ptr [[ALLOCA]], align 8
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; CHECK-NEXT: [[PROTPTRPTR1_2:%.*]] = call ptr @llvm.protected.field.ptr.p0(ptr [[ALLOCA]], i64 1, i1 true)
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; CHECK-NEXT: [[PTR1A:%.*]] = load ptr, ptr [[PROTPTRPTR1_2]], align 8
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; CHECK-NEXT: ret ptr [[PTR1A]]
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;
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%alloca = alloca ptr
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store ptr %ptr, ptr %alloca
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%protptrptr1.2 = call ptr @llvm.protected.field.ptr.p0(ptr %alloca, i64 1, i1 true)
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%ptr1a = load ptr, ptr %protptrptr1.2
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ret ptr %ptr1a
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}
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define ptr @mixed2(ptr %ptr) {
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; CHECK-LABEL: define ptr @mixed2(
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; CHECK-SAME: ptr [[PTR:%.*]]) {
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; CHECK-NEXT: [[ALLOCA:%.*]] = alloca ptr, align 8
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; CHECK-NEXT: [[PROTPTRPTR1_2:%.*]] = call ptr @llvm.protected.field.ptr.p0(ptr [[ALLOCA]], i64 1, i1 true)
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; CHECK-NEXT: store ptr [[PTR]], ptr [[PROTPTRPTR1_2]], align 8
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; CHECK-NEXT: [[PROTPTRPTR2_2:%.*]] = call ptr @llvm.protected.field.ptr.p0(ptr [[ALLOCA]], i64 2, i1 true)
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; CHECK-NEXT: [[PTR1A:%.*]] = load ptr, ptr [[PROTPTRPTR2_2]], align 8
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; CHECK-NEXT: ret ptr [[PTR1A]]
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;
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%alloca = alloca ptr
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%protptrptr1.2 = call ptr @llvm.protected.field.ptr.p0(ptr %alloca, i64 1, i1 true)
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store ptr %ptr, ptr %protptrptr1.2
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%protptrptr2.2 = call ptr @llvm.protected.field.ptr.p0(ptr %alloca, i64 2, i1 true)
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%ptr1a = load ptr, ptr %protptrptr2.2
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ret ptr %ptr1a
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}
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define void @split_non_promotable(ptr %ptr1, ptr %ptr2, ptr %out1, ptr %out2) {
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; CHECK-LABEL: define void @split_non_promotable(
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; CHECK-SAME: ptr [[PTR1:%.*]], ptr [[PTR2:%.*]], ptr [[OUT1:%.*]], ptr [[OUT2:%.*]]) {
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; CHECK-NEXT: [[ALLOCA_SROA_2:%.*]] = alloca ptr, align 8
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; CHECK-NEXT: store volatile ptr [[PTR2]], ptr [[ALLOCA_SROA_2]], align 8
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; CHECK-NEXT: [[PTR2A:%.*]] = load volatile ptr, ptr [[ALLOCA_SROA_2]], align 8
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; CHECK-NEXT: store ptr [[PTR1]], ptr [[OUT1]], align 8
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; CHECK-NEXT: store ptr [[PTR2A]], ptr [[OUT2]], align 8
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; CHECK-NEXT: ret void
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;
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%alloca = alloca { ptr, ptr }
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%protptrptr1.1 = call ptr @llvm.protected.field.ptr.p0(ptr %alloca, i64 1, i1 true)
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store ptr %ptr1, ptr %protptrptr1.1
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%protptrptr1.2 = call ptr @llvm.protected.field.ptr.p0(ptr %alloca, i64 1, i1 true)
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%ptr1a = load ptr, ptr %protptrptr1.2
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%gep = getelementptr { ptr, ptr }, ptr %alloca, i64 0, i32 1
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%protptrptr2.1 = call ptr @llvm.protected.field.ptr.p0(ptr %gep, i64 2, i1 true)
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store volatile ptr %ptr2, ptr %protptrptr2.1
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%protptrptr2.2 = call ptr @llvm.protected.field.ptr.p0(ptr %gep, i64 2, i1 true)
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%ptr2a = load volatile ptr, ptr %protptrptr2.2
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store ptr %ptr1a, ptr %out1
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store ptr %ptr2a, ptr %out2
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ret void
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}
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