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authorDan Gohman <gohman@apple.com>2008-02-26 18:50:50 +0000
committerDan Gohman <gohman@apple.com>2008-02-26 18:50:50 +0000
commitd4cf992230a6cc4d76022c5d47dbd23115bdec44 (patch)
tree240857c07aaf8c71ead7758b12c8a6c310366f63 /test/CodeGen/X86/invalid-shift-immediate.ll
parent814ebd77b015c9e95afa6be74cb7e7a636baa7f4 (diff)
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Avoid aborting on invalid shift counts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47612 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/invalid-shift-immediate.ll')
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1 files changed, 30 insertions, 0 deletions
diff --git a/test/CodeGen/X86/invalid-shift-immediate.ll b/test/CodeGen/X86/invalid-shift-immediate.ll
new file mode 100644
index 0000000000..5c47f5ee68
--- /dev/null
+++ b/test/CodeGen/X86/invalid-shift-immediate.ll
@@ -0,0 +1,30 @@
+; RUN: llvm-as < %s | llc -march=x86
+; PR2098
+
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
+target triple = "i386-apple-darwin8"
+
+define void @foo(i32 %x) {
+entry:
+ %x_addr = alloca i32 ; <i32*> [#uses=2]
+ %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
+ store i32 %x, i32* %x_addr
+ %tmp = load i32* %x_addr, align 4 ; <i32> [#uses=1]
+ %tmp1 = ashr i32 %tmp, -2 ; <i32> [#uses=1]
+ %tmp2 = and i32 %tmp1, 1 ; <i32> [#uses=1]
+ %tmp23 = trunc i32 %tmp2 to i8 ; <i8> [#uses=1]
+ %toBool = icmp ne i8 %tmp23, 0 ; <i1> [#uses=1]
+ br i1 %toBool, label %bb, label %bb5
+
+bb: ; preds = %entry
+ %tmp4 = call i32 (...)* @bar( ) nounwind ; <i32> [#uses=0]
+ br label %bb5
+
+bb5: ; preds = %bb, %entry
+ br label %return
+
+return: ; preds = %bb5
+ ret void
+}
+
+declare i32 @bar(...)