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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -passes=mem2reg -S -o - < %s | FileCheck %s3 4declare void @llvm.assume(i1)5declare void @llvm.lifetime.start.p0(ptr nocapture %ptr)6declare void @llvm.lifetime.end.p0(ptr nocapture %ptr)7 8define void @positive_assume_uses(ptr %arg) {9; CHECK-LABEL: @positive_assume_uses(10; CHECK-NEXT: call void @llvm.assume(i1 true) [ "nonnull"(ptr [[ARG:%.*]]), "ignore"(ptr poison, i64 2) ]11; CHECK-NEXT: call void @llvm.assume(i1 true) [ "ignore"(ptr poison, i64 8), "nonnull"(ptr [[ARG]]) ]12; CHECK-NEXT: ret void13;14 %A = alloca i3215 call void @llvm.assume(i1 true) ["nonnull"(ptr %arg), "align"(ptr %A, i64 2)]16 store i32 1, ptr %A17 call void @llvm.assume(i1 true) ["align"(ptr %A, i64 8), "nonnull"(ptr %arg)]18 ret void19}20 21define void @negative_assume_condition_use() {22; CHECK-LABEL: @negative_assume_condition_use(23; CHECK-NEXT: [[A:%.*]] = alloca i32, align 424; CHECK-NEXT: [[CND:%.*]] = icmp eq ptr [[A]], null25; CHECK-NEXT: call void @llvm.assume(i1 [[CND]])26; CHECK-NEXT: store i32 1, ptr [[A]], align 427; CHECK-NEXT: ret void28;29 %A = alloca i3230 %cnd = icmp eq ptr %A, null31 call void @llvm.assume(i1 %cnd)32 store i32 1, ptr %A33 ret void34}35 36define void @positive_multiple_assume_uses() {37; CHECK-LABEL: @positive_multiple_assume_uses(38; CHECK-NEXT: call void @llvm.assume(i1 true) [ "ignore"(ptr poison, i64 8), "ignore"(ptr poison, i64 16) ]39; CHECK-NEXT: call void @llvm.assume(i1 true) [ "ignore"(ptr poison), "ignore"(ptr poison, i64 2) ]40; CHECK-NEXT: ret void41;42 %A = alloca {i8, i16}43 call void @llvm.assume(i1 true) ["align"(ptr %A, i64 8), "align"(ptr %A, i64 16)]44 store {i8, i16} zeroinitializer, ptr %A45 call void @llvm.assume(i1 true) ["nonnull"(ptr %A), "align"(ptr %A, i64 2)]46 ret void47}48 49define void @positive_gep_assume_uses() {50; CHECK-LABEL: @positive_gep_assume_uses(51; CHECK-NEXT: call void @llvm.assume(i1 true) [ "ignore"(ptr poison, i64 8), "ignore"(ptr poison, i64 16) ]52; CHECK-NEXT: call void @llvm.assume(i1 true) [ "ignore"(ptr poison), "ignore"(ptr poison, i64 2) ]53; CHECK-NEXT: ret void54;55 %A = alloca {i8, i16}56 %B = getelementptr {i8, i16}, ptr %A, i32 0, i32 057 call void @llvm.lifetime.start.p0(ptr %A)58 call void @llvm.assume(i1 true) ["align"(ptr %B, i64 8), "align"(ptr %B, i64 16)]59 store {i8, i16} zeroinitializer, ptr %A60 call void @llvm.lifetime.end.p0(ptr %A)61 call void @llvm.assume(i1 true) ["nonnull"(ptr %B), "align"(ptr %B, i64 2)]62 ret void63}64 65define void @positive_mixed_assume_uses() {66; CHECK-LABEL: @positive_mixed_assume_uses(67; CHECK-NEXT: call void @llvm.assume(i1 true) [ "ignore"(ptr poison), "ignore"(ptr poison, i64 8), "ignore"(ptr poison, i64 16) ]68; CHECK-NEXT: call void @llvm.assume(i1 true) [ "ignore"(ptr poison), "ignore"(ptr poison, i64 2), "ignore"(ptr poison) ]69; CHECK-NEXT: call void @llvm.assume(i1 true) [ "ignore"(ptr poison), "ignore"(ptr poison, i64 2), "ignore"(ptr poison) ]70; CHECK-NEXT: ret void71;72 %A = alloca i873 call void @llvm.lifetime.start.p0(ptr %A)74 call void @llvm.assume(i1 true) ["nonnull"(ptr %A), "align"(ptr %A, i64 8), "align"(ptr %A, i64 16)]75 store i8 1, ptr %A76 call void @llvm.lifetime.end.p0(ptr %A)77 call void @llvm.assume(i1 true) ["nonnull"(ptr %A), "align"(ptr %A, i64 2), "nonnull"(ptr %A)]78 call void @llvm.assume(i1 true) ["nonnull"(ptr %A), "align"(ptr %A, i64 2), "nonnull"(ptr %A)]79 ret void80}81