From a16c51cee9225a354c999dd1076d5dba2aa79807 Mon Sep 17 00:00:00 2001 From: rdivacky Date: Fri, 1 Jan 2010 10:31:22 +0000 Subject: Update LLVM to 92395. --- test/Transforms/LoopRotate/phi-duplicate.ll | 35 +++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 test/Transforms/LoopRotate/phi-duplicate.ll (limited to 'test/Transforms/LoopRotate/phi-duplicate.ll') diff --git a/test/Transforms/LoopRotate/phi-duplicate.ll b/test/Transforms/LoopRotate/phi-duplicate.ll new file mode 100644 index 0000000..cac00f8 --- /dev/null +++ b/test/Transforms/LoopRotate/phi-duplicate.ll @@ -0,0 +1,35 @@ +; RUN: opt -S %s -loop-rotate | FileCheck %s +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" +target triple = "x86_64-apple-darwin10.0" + +; PR5837 +define void @test(i32 %N, double* %G) nounwind ssp { +entry: + br label %for.cond + +for.cond: ; preds = %for.body, %entry + %j.0 = phi i64 [ 1, %entry ], [ %inc, %for.body ] ; [#uses=5] + %cmp = icmp slt i64 %j.0, 1000 ; [#uses=1] + br i1 %cmp, label %for.body, label %for.end + +for.body: ; preds = %for.cond + %arrayidx = getelementptr inbounds double* %G, i64 %j.0 ; [#uses=1] + %tmp3 = load double* %arrayidx ; [#uses=1] + %sub = sub i64 %j.0, 1 ; [#uses=1] + %arrayidx6 = getelementptr inbounds double* %G, i64 %sub ; [#uses=1] + %tmp7 = load double* %arrayidx6 ; [#uses=1] + %add = fadd double %tmp3, %tmp7 ; [#uses=1] + %arrayidx10 = getelementptr inbounds double* %G, i64 %j.0 ; [#uses=1] + store double %add, double* %arrayidx10 + %inc = add nsw i64 %j.0, 1 ; [#uses=1] + br label %for.cond + +for.end: ; preds = %for.cond + ret void +} +; Should only end up with one phi. +; CHECK: for.body: +; CHECK-NEXT: %j.02 = phi i64 +; CHECK-NOT phi +; CHECK: ret void + -- cgit v1.1