Fix PR3763 by using proper APInt methods instead of uint64_t's.

[oota-llvm.git] / test / CodeGen / X86 / 2009-03-09-APIntCrash.ll

diff --git a/test/CodeGen/X86/2009-03-09-APIntCrash.ll b/test/CodeGen/X86/2009-03-09-APIntCrash.ll
new file mode 100644 (file)
index 0000000..d7b5269
--- /dev/null
+++ b/test/CodeGen/X86/2009-03-09-APIntCrash.ll
@@ -0,0 +1,25 @@
+; RUN: llvm-as < %s | llc -march=x86-64
+; PR3763
+       %struct.__block_descriptor = type { i64, i64 }
+
+define %struct.__block_descriptor @evUTCTime() nounwind {
+entry:
+       br i1 false, label %if.then, label %return
+
+if.then:               ; preds = %entry
+       %srcval18 = load i128* null, align 8            ; <i128> [#uses=1]
+       %tmp15 = lshr i128 %srcval18, 64                ; <i128> [#uses=1]
+       %tmp9 = mul i128 %tmp15, 18446744073709551616000                ; <i128> [#uses=1]
+       br label %return
+
+return:                ; preds = %if.then, %entry
+       %retval.0 = phi i128 [ %tmp9, %if.then ], [ undef, %entry ]             ; <i128> [#uses=0]
+       ret %struct.__block_descriptor undef
+}
+
+define i128 @test(i128 %arg) nounwind {
+       %A = shl i128 1, 92
+       %B = sub i128 0, %A
+       %C = mul i128 %arg, %B
+       ret i128 %C  ;; should codegen to neg(shift)
+}