You've already forked linux-packaging-mono
65 lines
2.7 KiB
LLVM
65 lines
2.7 KiB
LLVM
; Test that the lazy value analysis gets invalidated when its dependencies go
|
|
; away. Sadly, you can neither print nor verify LVI so we just have to require
|
|
; it and check that the pass manager does the right thing.
|
|
;
|
|
; Check basic invalidation.
|
|
; RUN: opt -disable-output -disable-verify -debug-pass-manager %s 2>&1 \
|
|
; RUN: -passes='require<lazy-value-info>,invalidate<lazy-value-info>,require<lazy-value-info>' \
|
|
; RUN: | FileCheck %s --check-prefix=CHECK-INVALIDATE
|
|
; CHECK-INVALIDATE: Running pass: RequireAnalysisPass
|
|
; CHECK-INVALIDATE: Running analysis: LazyValueAnalysis
|
|
; CHECK-INVALIDATE: Running pass: InvalidateAnalysisPass
|
|
; CHECK-INVALIDATE: Invalidating analysis: LazyValueAnalysis
|
|
; CHECK-INVALIDATE: Running pass: RequireAnalysisPass
|
|
; CHECK-INVALIDATE: Running analysis: LazyValueAnalysis
|
|
;
|
|
; Check DomTree specifically.
|
|
; RUN: opt -disable-output -disable-verify -debug-pass-manager %s 2>&1 \
|
|
; RUN: -passes='require<domtree>,require<lazy-value-info>,invalidate<domtree>,require<lazy-value-info>' \
|
|
; RUN: | FileCheck %s --check-prefix=CHECK-DT-INVALIDATE
|
|
; CHECK-DT-INVALIDATE: Running pass: RequireAnalysisPass
|
|
; CHECK-DT-INVALIDATE: Running analysis: LazyValueAnalysis
|
|
; CHECK-DT-INVALIDATE: Running pass: InvalidateAnalysisPass
|
|
; CHECK-DT-INVALIDATE: Invalidating analysis: DominatorTreeAnalysis
|
|
; CHECK-DT-INVALIDATE: Invalidating analysis: LazyValueAnalysis
|
|
; CHECK-AC-INVALIDATE: Running pass: RequireAnalysisPass
|
|
; CHECK-DT-INVALIDATE: Running analysis: LazyValueAnalysis
|
|
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
@.str = private unnamed_addr constant [8 x i8] c"a = %l\0A\00", align 1
|
|
|
|
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
|
|
|
|
declare void @hoo(i64*)
|
|
|
|
declare i32 @printf(i8* nocapture readonly, ...)
|
|
|
|
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
|
|
|
|
define void @goo(i32 %N, i64* %b) {
|
|
entry:
|
|
%a.i = alloca i64, align 8
|
|
%tmp = bitcast i64* %a.i to i8*
|
|
%c = getelementptr inbounds i64, i64* %b, i64 0
|
|
br label %for.cond
|
|
|
|
for.cond: ; preds = %for.body, %entry
|
|
%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
|
|
%cmp = icmp slt i32 %i.0, %N
|
|
br i1 %cmp, label %for.body, label %for.end
|
|
|
|
for.body: ; preds = %for.cond
|
|
call void @llvm.lifetime.start.p0i8(i64 8, i8* %tmp)
|
|
call void @hoo(i64* %a.i)
|
|
call void @hoo(i64* %c)
|
|
%tmp1 = load volatile i64, i64* %a.i, align 8
|
|
%call.i = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i64 %tmp1)
|
|
call void @llvm.lifetime.end.p0i8(i64 8, i8* %tmp)
|
|
%inc = add nsw i32 %i.0, 1
|
|
br label %for.cond
|
|
|
|
for.end: ; preds = %for.cond
|
|
ret void
|
|
}
|