The ANDMask node folds to a constant, and isn't the node that needs to

have its node id set. The new and and shift nodes are the nodes that need
the IDs. This fixes PR2982.

llvm-svn: 58655

1 files changed, 26 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/X86/pr2982.ll b/llvm/test/CodeGen/X86/pr2982.ll
new file mode 100644
index 00000000000..f5dc1f4b9a4
--- /dev/null
+++ b/llvm/test/CodeGen/X86/pr2982.ll
@@ -0,0 +1,26 @@
+; RUN: llvm-as < %s | llc -march=x86
+; PR2982
+
+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-darwin9.5"
+@g_279 = external global i32            ; <i32*> [#uses=1]
+@g_265 = external global i32            ; <i32*> [#uses=1]
+@g_3 = external global i8               ; <i8*> [#uses=1]
+
+declare i32 @rshift_u_u(...)
+
+define void @bar() nounwind {
+entry:
+        %0 = load i32* @g_279, align 4          ; <i32> [#uses=1]
+        %1 = shl i32 %0, 1              ; <i32> [#uses=1]
+        %2 = and i32 %1, 2              ; <i32> [#uses=1]
+        %3 = load i32* @g_265, align 4          ; <i32> [#uses=1]
+        %4 = load i8* @g_3, align 1             ; <i8> [#uses=1]
+        %5 = sext i8 %4 to i32          ; <i32> [#uses=1]
+        %6 = add i32 %2, %3             ; <i32> [#uses=1]
+        %7 = add i32 %6, %5             ; <i32> [#uses=1]
+        %8 = tail call i32 (...)* @rshift_u_u(i32 %7, i32 0) nounwind          
+; <i32> [#uses=0]
+        ret void
+}