Test for transformConstExprCastCall fix.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35669 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstCombine/call2.ll b/test/Transforms/InstCombine/call2.ll
new file mode 100644 (file)
index 0000000..4ba840f
--- /dev/null
+++ b/test/Transforms/InstCombine/call2.ll
@@ -0,0 +1,27 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis
+
+; This used to crash trying to do a double-to-pointer conversion
+define i32 @bar() {
+entry:
+       %retval = alloca i32, align 4           ; <i32*> [#uses=1]
+       "alloca point" = bitcast i32 0 to i32           ; <i32> [#uses=0]
+       %tmp = call i32 (...)* bitcast (i32 (i8*)* @f to i32 (...)*)( double 3.000000e+00 )             ; <i32> [#uses=0]
+       br label %return
+
+return:                ; preds = %entry
+       %retval1 = load i32* %retval            ; <i32> [#uses=1]
+       ret i32 %retval1
+}
+
+define i32 @f(i8* %p) {
+entry:
+       %p_addr = alloca i8*            ; <i8**> [#uses=1]
+       %retval = alloca i32, align 4           ; <i32*> [#uses=1]
+       "alloca point" = bitcast i32 0 to i32           ; <i32> [#uses=0]
+       store i8* %p, i8** %p_addr
+       br label %return
+
+return:                ; preds = %entry
+       %retval1 = load i32* %retval            ; <i32> [#uses=1]
+       ret i32 %retval1
+}