diff options
Diffstat (limited to 'test/Transforms/SimplifyLibCalls/StrStr.ll')
| -rw-r--r-- | test/Transforms/SimplifyLibCalls/StrStr.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyLibCalls/StrStr.ll b/test/Transforms/SimplifyLibCalls/StrStr.ll index 2cac2d4..eefd2e8 100644 --- a/test/Transforms/SimplifyLibCalls/StrStr.ll +++ b/test/Transforms/SimplifyLibCalls/StrStr.ll @@ -46,3 +46,15 @@ entry: ; CHECK: @test4 ; CHECK: ret i8* %P } + +define i1 @test5(i8* %P, i8* %Q) nounwind readonly { +entry: + %call = tail call i8* @strstr(i8* %P, i8* %Q) nounwind ; <i8*> [#uses=1] + %cmp = icmp eq i8* %call, %P + ret i1 %cmp +; CHECK: @test5 +; CHECK: [[LEN:%[a-z]+]] = call {{i[0-9]+}} @strlen(i8* %Q) +; CHECK: [[NCMP:%[a-z]+]] = call {{i[0-9]+}} @strncmp(i8* %P, i8* %Q, {{i[0-9]+}} [[LEN]]) +; CHECK: icmp eq {{i[0-9]+}} [[NCMP]], 0 +; CHECK: ret i1 +} |
