Add a test case for APInt bug fix in r51999.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52000 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/ExecutionEngine/2008-06-05-APInt-OverAShr.ll b/test/ExecutionEngine/2008-06-05-APInt-OverAShr.ll
new file mode 100644 (file)
index 0000000..02b65b1
--- /dev/null
+++ b/test/ExecutionEngine/2008-06-05-APInt-OverAShr.ll
@@ -0,0 +1,60 @@
+; RUN: llvm-as %s -f -o %t.bc
+; RUN: lli -force-interpreter=true %t.bc | grep 1
+
+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-f80:32:32"
+target triple = "i686-pc-linux-gnu"
+@.str = internal constant [10 x i8] c"MSB = %d\0A\00"          ; <[10 x i8]*> [#uses=1]
+
+define i65 @foo(i65 %x) {
+entry:
+       %x_addr = alloca i65            ; <i65*> [#uses=2]
+       %retval = alloca i65            ; <i65*> [#uses=2]
+       %tmp = alloca i65               ; <i65*> [#uses=2]
+       %"alloca point" = bitcast i65 0 to i65          ; <i65> [#uses=0]
+       store i65 %x, i65* %x_addr
+       %tmp1 = load i65* %x_addr, align 4              ; <i65> [#uses=1]
+       %tmp2 = ashr i65 %tmp1, 65              ; <i65> [#uses=1]
+       store i65 %tmp2, i65* %tmp, align 4
+       %tmp3 = load i65* %tmp, align 4         ; <i65> [#uses=1]
+       store i65 %tmp3, i65* %retval, align 4
+       br label %return
+
+return:                ; preds = %entry
+       %retval4 = load i65* %retval            ; <i65> [#uses=1]
+       ret i65 %retval4
+}
+
+define i32 @main() {
+entry:
+       %retval = alloca i32            ; <i32*> [#uses=1]
+       %iftmp.0 = alloca i32           ; <i32*> [#uses=3]
+       %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
+       %tmp = call i65 @foo( i65 -9 )          ; <i65> [#uses=1]
+       %tmp1 = lshr i65 %tmp, 64               ; <i65> [#uses=1]
+       %tmp2 = xor i65 %tmp1, 1                ; <i65> [#uses=1]
+       %tmp3 = and i65 %tmp2, 1                ; <i65> [#uses=1]
+       %tmp34 = trunc i65 %tmp3 to i8          ; <i8> [#uses=1]
+       %toBool = icmp ne i8 %tmp34, 0          ; <i1> [#uses=1]
+       br i1 %toBool, label %cond_true, label %cond_false
+
+cond_true:             ; preds = %entry
+       store i32 0, i32* %iftmp.0, align 4
+       br label %cond_next
+
+cond_false:            ; preds = %entry
+       store i32 1, i32* %iftmp.0, align 4
+       br label %cond_next
+
+cond_next:             ; preds = %cond_false, %cond_true
+       %tmp5 = getelementptr [10 x i8]* @.str, i32 0, i32 0            ; <i8*> [#uses=1]
+       %tmp6 = load i32* %iftmp.0, align 4             ; <i32> [#uses=1]
+       %tmp7 = call i32 (i8*, ...)* @printf( i8* noalias  %tmp5, i32 %tmp6 ) nounwind          ; <i32> [#uses=0]
+       br label %return
+
+return:                ; preds = %cond_next
+    store i32 0, i32* %retval, align 4
+       %retval8 = load i32* %retval            ; <i32> [#uses=1]
+       ret i32 %retval8
+}
+
+declare i32 @printf(i8* noalias , ...) nounwind