1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
2 ; Basic test to check that DominatorTreeAnalysis is preserved by IPSCCP and
3 ; the following analysis can re-use it. The test contains two trivial functions
4 ; IPSCCP can simplify, so we can test the case where IPSCCP makes changes.
6 ; RUN: opt -disable-verify -debug-pass-manager \
7 ; RUN: -passes='function(require<domtree>,require<postdomtree>),ipsccp,function(require<domtree>,require<postdomtree>)' -S %s 2>&1 \
8 ; RUN: | FileCheck -check-prefixes=IR,NEW-PM %s
10 ; RUN: opt -passes='function(require<postdomtree>),ipsccp,function(verify<domtree>)' -S %s | FileCheck -check-prefixes=IR %s
12 ; NEW-PM: Running analysis: DominatorTreeAnalysis on f1
13 ; NEW-PM: Running analysis: PostDominatorTreeAnalysis on f1
14 ; NEW-PM: Running analysis: DominatorTreeAnalysis on f2
15 ; NEW-PM: Running analysis: PostDominatorTreeAnalysis on f2
16 ; NEW-PM: Running pass: IPSCCPPass
17 ; NEW-PM-DAG: Running analysis: AssumptionAnalysis on f1
18 ; NEW-PM-DAG: Running analysis: AssumptionAnalysis on f2
19 ; NEW-PM-NOT: Running analysis: AssumptionAnalysis
22 define internal i32 @f1() readnone {
23 ; IR-LABEL: define internal i32 @f1(
24 ; IR-SAME: ) #[[ATTR0:[0-9]+]] {
25 ; IR-NEXT: [[ENTRY:.*:]]
26 ; IR-NEXT: br label %[[BB2:.*]]
28 ; IR-NEXT: ret i32 poison
31 br i1 false, label %bb1, label %bb2
38 define i32 @f2(i32 %n) {
39 ; IR-LABEL: define i32 @f2(
40 ; IR-SAME: i32 [[N:%.*]]) {
41 ; IR-NEXT: [[I:%.*]] = call i32 @f1()
42 ; IR-NEXT: br label %[[BBTRUE:.*]]
47 %cmp = icmp eq i32 %i, 10
48 br i1 %cmp, label %bbtrue, label %bbfalse
57 ;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line: