This is case is to uncover the bug in IntrinsicLowering.cpp,
authorZhou Sheng <zhousheng00@gmail.com>
Fri, 30 Jan 2009 08:59:51 +0000 (08:59 +0000)
committerZhou Sheng <zhousheng00@gmail.com>
Fri, 30 Jan 2009 08:59:51 +0000 (08:59 +0000)
the LowerPartSet(). It didn't handle the situation correctly when
the low, high argument values are in reverse order (low > high)
with 'Val' type is i32 (a corner case).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63386 91177308-0d34-0410-b5e6-96231b3b80d8

test/ExecutionEngine/2009-01-29-PartSet.ll [new file with mode: 0644]

diff --git a/test/ExecutionEngine/2009-01-29-PartSet.ll b/test/ExecutionEngine/2009-01-29-PartSet.ll
new file mode 100644 (file)
index 0000000..ae76687
--- /dev/null
@@ -0,0 +1,17 @@
+; RUN: llvm-as %s -o - | lli -force-interpreter | grep FF8F
+
+; ModuleID = 'partset.c.bc'
+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"
+target triple = "x86_64-unknown-linux-gnu"
+@.str = internal constant [4 x i8] c"%X\0A\00"      ; <[4 x i8]*> [#uses=1]
+
+define i32 @main() nounwind  {
+entry:
+    %part_set = tail call i32 @llvm.part.set.i32.i8( i32 65535, i8 1, i32 7, i32 4 )        ; <i32> [#uses=1]
+    %tmp4 = tail call i32 (i8*, ...)* @printf( i8* noalias  getelementptr ([4 x i8]* @.str, i32 0, i64 0), i32 %part_set ) nounwind         ; <i32> [#uses=0]
+    ret i32 0
+}
+
+declare i32 @llvm.part.set.i32.i8(i32, i8, i32, i32) nounwind readnone
+
+declare i32 @printf(i8*, ...) nounwind