| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -sroa -S -o - < %s | FileCheck %s |
| ; RUN: opt -passes=sroa -S -o - < %s | FileCheck %s |
| |
| declare void @llvm.assume(i1) |
| declare void @llvm.lifetime.start.p0i8(i64 %size, i8* nocapture %ptr) |
| declare void @llvm.lifetime.end.p0i8(i64 %size, i8* nocapture %ptr) |
| |
| define void @positive_assume_uses(i32* %arg) { |
| ; CHECK-LABEL: @positive_assume_uses( |
| ; CHECK-NEXT: call void @llvm.assume(i1 true) [ "nonnull"(i32* [[ARG:%.*]]), "ignore"(i32* undef, i64 2) ] |
| ; CHECK-NEXT: call void @llvm.assume(i1 true) [ "ignore"(i32* undef, i64 8), "nonnull"(i32* [[ARG]]) ] |
| ; CHECK-NEXT: ret void |
| ; |
| %A = alloca i32 |
| call void @llvm.assume(i1 true) ["nonnull"(i32* %arg), "align"(i32* %A, i64 2)] |
| store i32 1, i32* %A |
| call void @llvm.assume(i1 true) ["align"(i32* %A, i64 8), "nonnull"(i32* %arg)] |
| ret void |
| } |
| |
| define void @negative_assume_condition_use() { |
| ; CHECK-LABEL: @negative_assume_condition_use( |
| ; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4 |
| ; CHECK-NEXT: [[B:%.*]] = bitcast i32* [[A]] to i8* |
| ; CHECK-NEXT: [[CND:%.*]] = icmp eq i8* [[B]], null |
| ; CHECK-NEXT: call void @llvm.assume(i1 [[CND]]) |
| ; CHECK-NEXT: store i32 1, i32* [[A]], align 4 |
| ; CHECK-NEXT: ret void |
| ; |
| %A = alloca i32 |
| %B = bitcast i32* %A to i8* |
| %cnd = icmp eq i8* %B, null |
| call void @llvm.assume(i1 %cnd) |
| store i32 1, i32* %A |
| ret void |
| } |
| |
| define void @positive_multiple_assume_uses() { |
| ; CHECK-LABEL: @positive_multiple_assume_uses( |
| ; CHECK-NEXT: call void @llvm.assume(i1 true) [ "ignore"({ i8, i16 }* undef, i64 8), "ignore"({ i8, i16 }* undef, i64 16) ] |
| ; CHECK-NEXT: call void @llvm.assume(i1 true) [ "ignore"({ i8, i16 }* undef), "ignore"({ i8, i16 }* undef, i64 2) ] |
| ; CHECK-NEXT: ret void |
| ; |
| %A = alloca {i8, i16} |
| call void @llvm.assume(i1 true) ["align"({i8, i16}* %A, i64 8), "align"({i8, i16}* %A, i64 16)] |
| store {i8, i16} zeroinitializer, {i8, i16}* %A |
| call void @llvm.assume(i1 true) ["nonnull"({i8, i16}* %A), "align"({i8, i16}* %A, i64 2)] |
| ret void |
| } |
| |
| define void @positive_gep_assume_uses() { |
| ; CHECK-LABEL: @positive_gep_assume_uses( |
| ; CHECK-NEXT: call void @llvm.assume(i1 true) [ "ignore"(i8* undef, i64 8), "ignore"(i8* undef, i64 16) ] |
| ; CHECK-NEXT: call void @llvm.assume(i1 true) [ "ignore"(i8* undef), "ignore"(i8* undef, i64 2) ] |
| ; CHECK-NEXT: ret void |
| ; |
| %A = alloca {i8, i16} |
| %B = getelementptr {i8, i16}, {i8, i16}* %A, i32 0, i32 0 |
| call void @llvm.lifetime.start.p0i8(i64 2, i8* %B) |
| call void @llvm.assume(i1 true) ["align"(i8* %B, i64 8), "align"(i8* %B, i64 16)] |
| store {i8, i16} zeroinitializer, {i8, i16}* %A |
| call void @llvm.lifetime.end.p0i8(i64 2, i8* %B) |
| call void @llvm.assume(i1 true) ["nonnull"(i8* %B), "align"(i8* %B, i64 2)] |
| ret void |
| } |
| |
| define void @positive_mixed_assume_uses() { |
| ; CHECK-LABEL: @positive_mixed_assume_uses( |
| ; CHECK-NEXT: call void @llvm.assume(i1 true) [ "ignore"(i8* undef), "ignore"(i8* undef, i64 8), "ignore"(i8* undef, i64 16) ] |
| ; CHECK-NEXT: call void @llvm.assume(i1 true) [ "ignore"(i8* undef), "ignore"(i8* undef, i64 2), "ignore"(i8* undef) ] |
| ; CHECK-NEXT: call void @llvm.assume(i1 true) [ "ignore"(i32* undef), "ignore"(i32* undef, i64 2), "ignore"(i8* undef) ] |
| ; CHECK-NEXT: ret void |
| ; |
| %A = alloca i8 |
| %B = getelementptr i8, i8* %A, i32 0 |
| %C = bitcast i8* %A to i32* |
| call void @llvm.lifetime.start.p0i8(i64 2, i8* %B) |
| call void @llvm.assume(i1 true) ["nonnull"(i8* %B), "align"(i8* %A, i64 8), "align"(i8* %B, i64 16)] |
| store i8 1, i8* %A |
| call void @llvm.lifetime.end.p0i8(i64 2, i8* %B) |
| call void @llvm.assume(i1 true) ["nonnull"(i8* %B), "align"(i8* %A, i64 2), "nonnull"(i8* %A)] |
| call void @llvm.assume(i1 true) ["nonnull"(i32* %C), "align"(i32* %C, i64 2), "nonnull"(i8* %A)] |
| ret void |
| } |