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authorrdivacky <rdivacky@FreeBSD.org>2010-03-06 09:22:29 +0000
committerrdivacky <rdivacky@FreeBSD.org>2010-03-06 09:22:29 +0000
commit9bef28eb9e224d641ce31a423e215ccf82bf1d43 (patch)
tree542734eaa7870f95912cbaebccb87dbec0c20b4f /test/CodeGen/X86/2010-03-04-Mul8Bug.ll
parent8230c40430a1325b5cc5bc0221931487b4bd573c (diff)
downloadFreeBSD-src-9bef28eb9e224d641ce31a423e215ccf82bf1d43.zip
FreeBSD-src-9bef28eb9e224d641ce31a423e215ccf82bf1d43.tar.gz
Update LLVM to r97873.
Diffstat (limited to 'test/CodeGen/X86/2010-03-04-Mul8Bug.ll')
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diff --git a/test/CodeGen/X86/2010-03-04-Mul8Bug.ll b/test/CodeGen/X86/2010-03-04-Mul8Bug.ll
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+++ b/test/CodeGen/X86/2010-03-04-Mul8Bug.ll
@@ -0,0 +1,25 @@
+; RUN: llc < %s
+; PR6489
+;
+; This test case produces a MUL8 instruction and then tries to read the result
+; from the AX register instead of AH/AL. That confuses live interval analysis.
+;
+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-darwin10.0.0"
+
+define void @func_56(i64 %p_57, i32*** %p_58) nounwind ssp {
+for.end:
+ %conv49 = trunc i32 undef to i8 ; <i8> [#uses=1]
+ %div.i = udiv i8 %conv49, 5 ; <i8> [#uses=1]
+ %conv51 = zext i8 %div.i to i32 ; <i32> [#uses=1]
+ %call55 = call i32 @qux(i32 undef, i32 -2) nounwind ; <i32> [#uses=1]
+ %rem.i = urem i32 %call55, -1 ; <i32> [#uses=1]
+ %cmp57 = icmp uge i32 %conv51, %rem.i ; <i1> [#uses=1]
+ %conv58 = zext i1 %cmp57 to i32 ; <i32> [#uses=1]
+ %call85 = call i32 @func_35(i32*** undef, i32 undef, i32 %conv58, i32 1247, i32 0) nounwind ; <i32> [#uses=0]
+ ret void
+}
+
+declare i32 @func_35(i32***, i32, i32, i32, i32)
+
+declare i32 @qux(i32, i32)
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