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authorEd Schouten <ed@FreeBSD.org>2009-06-02 17:52:33 +0000
committerEd Schouten <ed@FreeBSD.org>2009-06-02 17:52:33 +0000
commit009b1c42aa6266385f2c37e227516b24077e6dd7 (patch)
tree64ba909838c23261cace781ece27d106134ea451 /test/CodeGen/X86/2008-02-25-X86-64-CoalescerBug.ll
downloadsrc-009b1c42aa6266385f2c37e227516b24077e6dd7.tar.gz
src-009b1c42aa6266385f2c37e227516b24077e6dd7.zip
Import LLVM, at r72732.vendor/llvm/llvm-r72732
Notes
Notes: svn path=/vendor/llvm/dist/; revision=193323 svn path=/vendor/llvm/llvm-r72732/; revision=193324; tag=vendor/llvm/llvm-r72732
Diffstat (limited to 'test/CodeGen/X86/2008-02-25-X86-64-CoalescerBug.ll')
-rw-r--r--test/CodeGen/X86/2008-02-25-X86-64-CoalescerBug.ll55
1 files changed, 55 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2008-02-25-X86-64-CoalescerBug.ll b/test/CodeGen/X86/2008-02-25-X86-64-CoalescerBug.ll
new file mode 100644
index 000000000000..5d60bde85614
--- /dev/null
+++ b/test/CodeGen/X86/2008-02-25-X86-64-CoalescerBug.ll
@@ -0,0 +1,55 @@
+; RUN: llvm-as < %s | llc -march=x86-64
+
+ %struct.XX = type <{ i8 }>
+ %struct.YY = type { i64 }
+ %struct.ZZ = type opaque
+
+define i8 @f(%struct.XX*** %fontMap, %struct.XX* %uen) signext {
+entry:
+ %tmp45 = add i16 0, 1 ; <i16> [#uses=2]
+ br i1 false, label %bb124, label %bb53
+
+bb53: ; preds = %entry
+ %tmp55 = call %struct.YY** @AA( i64 1, %struct.XX* %uen ) ; <%struct.YY**> [#uses=3]
+ %tmp2728128 = load %struct.XX** null ; <%struct.XX*> [#uses=1]
+ %tmp61 = load %struct.YY** %tmp55, align 8 ; <%struct.YY*> [#uses=1]
+ %tmp62 = getelementptr %struct.YY* %tmp61, i32 0, i32 0 ; <i64*> [#uses=1]
+ %tmp63 = load i64* %tmp62, align 8 ; <i64> [#uses=1]
+ %tmp6566 = zext i16 %tmp45 to i64 ; <i64> [#uses=1]
+ %tmp67 = shl i64 %tmp6566, 1 ; <i64> [#uses=1]
+ call void @BB( %struct.YY** %tmp55, i64 %tmp67, i8 signext 0, %struct.XX* %uen )
+ %tmp121131 = icmp eq i16 %tmp45, 1 ; <i1> [#uses=1]
+ br i1 %tmp121131, label %bb124, label %bb70.preheader
+
+bb70.preheader: ; preds = %bb53
+ %tmp72 = bitcast %struct.XX* %tmp2728128 to %struct.ZZ*** ; <%struct.ZZ***> [#uses=1]
+ br label %bb70
+
+bb70: ; preds = %bb119, %bb70.preheader
+ %indvar133 = phi i32 [ %indvar.next134, %bb119 ], [ 0, %bb70.preheader ] ; <i32> [#uses=2]
+ %tmp.135 = trunc i64 %tmp63 to i32 ; <i32> [#uses=1]
+ %tmp136 = shl i32 %indvar133, 1 ; <i32> [#uses=1]
+ %DD = add i32 %tmp136, %tmp.135 ; <i32> [#uses=1]
+ %tmp73 = load %struct.ZZ*** %tmp72, align 8 ; <%struct.ZZ**> [#uses=0]
+ br i1 false, label %bb119, label %bb77
+
+bb77: ; preds = %bb70
+ %tmp8384 = trunc i32 %DD to i16 ; <i16> [#uses=1]
+ %tmp85 = sub i16 0, %tmp8384 ; <i16> [#uses=1]
+ store i16 %tmp85, i16* null, align 8
+ call void @CC( %struct.YY** %tmp55, i64 0, i64 2, i8* null, %struct.XX* %uen )
+ ret i8 0
+
+bb119: ; preds = %bb70
+ %indvar.next134 = add i32 %indvar133, 1 ; <i32> [#uses=1]
+ br label %bb70
+
+bb124: ; preds = %bb53, %entry
+ ret i8 undef
+}
+
+declare %struct.YY** @AA(i64, %struct.XX*)
+
+declare void @BB(%struct.YY**, i64, i8 signext , %struct.XX*)
+
+declare void @CC(%struct.YY**, i64, i64, i8*, %struct.XX*)