llvm-mirror/test/Transforms/Inline/clear-analyses.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

33 lines
1.1 KiB
LLVM

; Test that when a pass like correlated-propagation populates an analysis such
; as LVI with references back into the IR of a function that the inliner will
; delete, this doesn't crash or go awry despite the inliner clearing the analyses
; separately from when it deletes the function.
;
; RUN: opt -debug-pass-manager -S < %s 2>&1 \
; RUN: -passes='cgscc(inline,function(correlated-propagation))' \
; RUN: | FileCheck %s
;
; CHECK-LABEL: Starting llvm::Module pass manager run.
; CHECK: Running pass: InlinerPass on (callee)
; CHECK: Running pass: CorrelatedValuePropagationPass on callee
; CHECK: Running analysis: LazyValueAnalysis
; CHECK: Running pass: InlinerPass on (caller)
; CHECK: Clearing all analysis results for: callee
; CHECK: Running pass: CorrelatedValuePropagationPass on caller
; CHECK: Running analysis: LazyValueAnalysis
define internal i32 @callee(i32 %x) {
; CHECK-NOT: @callee
entry:
ret i32 %x
}
define i32 @caller(i32 %x) {
; CHECK-LABEL: define i32 @caller
entry:
%call = call i32 @callee(i32 %x)
; CHECK-NOT: call
ret i32 %call
; CHECK: ret i32 %x
}