From a8861c7d5b6c7f87112e1c6146a6011a4207b41c Mon Sep 17 00:00:00 2001 From: Matthias Braun Date: Wed, 4 Mar 2015 22:31:18 +0000 Subject: [PATCH] Improve test robustness Improve test robustness in preparation of coming commits: - Avoid undefs which may get propagated too much. - Remove several pointless add 0, instructions llvm-svn: 231307 --- test/CodeGen/ARM/2011-12-14-machine-sink.ll | 25 ++++++++------------- 1 file changed, 9 insertions(+), 16 deletions(-) diff --git a/test/CodeGen/ARM/2011-12-14-machine-sink.ll b/test/CodeGen/ARM/2011-12-14-machine-sink.ll index 47b2260d41f..88019f450e3 100644 --- a/test/CodeGen/ARM/2011-12-14-machine-sink.ll +++ b/test/CodeGen/ARM/2011-12-14-machine-sink.ll @@ -5,7 +5,7 @@ target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64- target triple = "thumbv7-apple-ios4.0.0" ; STATS-NOT: machine-sink -define i32 @foo(i32 %h) nounwind readonly ssp { +define i32 @foo(i32 %h, i32 %arg1) nounwind readonly ssp { entry: br label %for.cond @@ -14,11 +14,13 @@ for.cond: ; preds = %for.body, %entry br i1 %cmp, label %for.body, label %if.end299 for.body: ; preds = %for.cond - %v.5 = select i1 undef, i32 undef, i32 0 + %cond0 = icmp ne i32 %arg1, 42 + %v.5 = select i1 %cond0, i32 undef, i32 0 %0 = load i8, i8* undef, align 1 %conv88 = zext i8 %0 to i32 %sub89 = sub nsw i32 0, %conv88 - %v.8 = select i1 undef, i32 undef, i32 %sub89 + %cond1 = icmp ne i32 %arg1, 23 + %v.8 = select i1 %cond1, i32 undef, i32 %sub89 %1 = load i8, i8* null, align 1 %conv108 = zext i8 %1 to i32 %2 = load i8, i8* undef, align 1 @@ -26,21 +28,12 @@ for.body: ; preds = %for.cond %sub111 = sub nsw i32 %conv108, %conv110 %cmp112 = icmp slt i32 %sub111, 0 %sub115 = sub nsw i32 0, %sub111 - %v.10 = select i1 %cmp112, i32 %sub115, i32 %sub111 - %add62 = add i32 0, %v.5 - %add73 = add i32 %add62, 0 - %add84 = add i32 %add73, 0 - %add95 = add i32 %add84, %v.8 - %add106 = add i32 %add95, 0 - %add117 = add i32 %add106, %v.10 - %add128 = add i32 %add117, 0 - %add139 = add i32 %add128, 0 - %add150 = add i32 %add139, 0 - %add161 = add i32 %add150, 0 - %add172 = add i32 %add161, 0 + %abs = select i1 %cmp112, i32 %sub115, i32 %sub111 + %add95 = add i32 %v.5, %v.8 + %add117 = add i32 %add95, %abs br i1 undef, label %for.cond, label %if.end299 if.end299: ; preds = %for.body, %for.cond - %s.10 = phi i32 [ %add172, %for.body ], [ 0, %for.cond ] + %s.10 = phi i32 [ %add117, %for.body ], [ 0, %for.cond ] ret i32 %s.10 }