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authorNadav Rotem <nadav.rotem@intel.com>2012-04-21 20:08:32 +0000
committerNadav Rotem <nadav.rotem@intel.com>2012-04-21 20:08:32 +0000
commitdb3461662e7945e04fe42e0d606581bba73c29dc (patch)
treefeeaf6846d0ccb96f145d1e9162c9b9b4d77af50 /test/CodeGen/X86/2011-04-19-sclr-bb.ll
parent9e401f22ec4d1fc42c22802fef1479180ca31600 (diff)
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Teach getVectorTypeBreakdown about promotion of vectors in addition to widening of vectors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155296 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/2011-04-19-sclr-bb.ll')
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diff --git a/test/CodeGen/X86/2011-04-19-sclr-bb.ll b/test/CodeGen/X86/2011-04-19-sclr-bb.ll
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index 0000000000..771e4b3a08
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+++ b/test/CodeGen/X86/2011-04-19-sclr-bb.ll
@@ -0,0 +1,21 @@
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 | FileCheck %s
+
+; Make sure that values of illegal types are not scalarized between basic blocks.
+;CHECK: test
+;CHECK-NOT: pinsrw
+;CHECK-NOT: pextrb
+;CHECK: ret
+define void @test(i1 %cond) {
+ENTRY:
+ br label %LOOP
+LOOP:
+ %vec1 = phi <4 x i1> [ %vec1_or_2, %LOOP ], [ zeroinitializer, %ENTRY ]
+ %vec2 = phi <4 x i1> [ %vec2_and_1, %LOOP ], [ zeroinitializer, %ENTRY ]
+ %vec1_or_2 = or <4 x i1> %vec1, %vec2
+ %vec2_and_1 = and <4 x i1> %vec2, %vec1
+ br i1 %cond, label %LOOP, label %EXIT
+
+EXIT:
+ ret void
+}
+