If both parts of smul_lohi, etc. are used, don't simplify. If only one part is used...

[oota-llvm.git] / test / CodeGen / X86 / 2007-11-07-MulBy4.ll

diff --git a/test/CodeGen/X86/2007-11-07-MulBy4.ll b/test/CodeGen/X86/2007-11-07-MulBy4.ll
new file mode 100644 (file)
index 0000000..d7fb684
--- /dev/null
+++ b/test/CodeGen/X86/2007-11-07-MulBy4.ll
@@ -0,0 +1,129 @@
+; RUN: llvm-as < %s | llc -march=x86 | not grep imul
+
+       %struct.eebb = type { %struct.eebb*, i16* }
+       %struct.hf = type { %struct.hf*, i16*, i8*, i32, i32, %struct.eebb*, i32, i32, i8*, i8*, i8*, i8*, i16*, i8*, i16*, %struct.ri, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, [30 x i32], %struct.eebb, i32, i8* }
+       %struct.foo_data = type { i32, i32, i32, i32*, i32, i32, i8*, i8*, i32, i32, i32, i32, i32, i32, i32, i32, i8*, i16*, i16*, i16*, i16*, i32, i32, i32, %struct.ri*, i8*, %struct.hf* }
+       %struct.ri = type { %struct.ri*, i32, i8*, i16*, i32*, i32 }
+
+define fastcc i32 @foo(i16* %eptr, i8* %ecode, %struct.foo_data* %md, i32 %ims) {
+entry:
+       %tmp36 = load i32* null, align 4                ; <i32> [#uses=1]
+       %tmp37 = icmp ult i32 0, %tmp36         ; <i1> [#uses=1]
+       br i1 %tmp37, label %cond_next79, label %cond_true
+
+cond_true:             ; preds = %entry
+       ret i32 0
+
+cond_next79:           ; preds = %entry
+       %tmp85 = load i32* null, align 4                ; <i32> [#uses=1]
+       %tmp86 = icmp ult i32 0, %tmp85         ; <i1> [#uses=1]
+       br i1 %tmp86, label %cond_next130, label %cond_true89
+
+cond_true89:           ; preds = %cond_next79
+       ret i32 0
+
+cond_next130:          ; preds = %cond_next79
+       %tmp173 = icmp eq i32 0, 0              ; <i1> [#uses=1]
+       br i1 %tmp173, label %cond_next201, label %cond_true176
+
+cond_true176:          ; preds = %cond_next130
+       ret i32 0
+
+cond_next201:          ; preds = %cond_next130
+       switch i32 0, label %bb19955 [
+                i32 0, label %bb1266
+                i32 1, label %bb5018
+                i32 2, label %bb5075
+                i32 3, label %cond_true5534
+                i32 4, label %cond_true5534
+                i32 5, label %bb6039
+                i32 6, label %bb6181
+                i32 7, label %bb6323
+                i32 8, label %bb6463
+                i32 9, label %bb6605
+                i32 10, label %bb6746
+                i32 11, label %cond_next5871
+                i32 16, label %bb5452
+                i32 17, label %bb5395
+                i32 19, label %bb4883
+                i32 20, label %bb5136
+                i32 23, label %bb12899
+                i32 64, label %bb2162
+                i32 69, label %bb1447
+                i32 70, label %bb1737
+                i32 71, label %bb1447
+                i32 72, label %bb1737
+                i32 73, label %cond_true1984
+                i32 75, label %bb740
+                i32 80, label %bb552
+       ]
+
+bb552:         ; preds = %cond_next201
+       ret i32 0
+
+bb740:         ; preds = %cond_next201
+       ret i32 0
+
+bb1266:                ; preds = %cond_next201
+       ret i32 0
+
+bb1447:                ; preds = %cond_next201, %cond_next201
+       ret i32 0
+
+bb1737:                ; preds = %cond_next201, %cond_next201
+       ret i32 0
+
+cond_true1984:         ; preds = %cond_next201
+       ret i32 0
+
+bb2162:                ; preds = %cond_next201
+       ret i32 0
+
+bb4883:                ; preds = %cond_next201
+       ret i32 0
+
+bb5018:                ; preds = %cond_next201
+       ret i32 0
+
+bb5075:                ; preds = %cond_next201
+       ret i32 0
+
+bb5136:                ; preds = %cond_next201
+       ret i32 0
+
+bb5395:                ; preds = %cond_next201
+       ret i32 0
+
+bb5452:                ; preds = %cond_next201
+       ret i32 0
+
+cond_true5534:         ; preds = %cond_next201, %cond_next201
+       ret i32 0
+
+cond_next5871:         ; preds = %cond_next201
+       ret i32 0
+
+bb6039:                ; preds = %cond_next201
+       ret i32 0
+
+bb6181:                ; preds = %cond_next201
+       ret i32 0
+
+bb6323:                ; preds = %cond_next201
+       ret i32 0
+
+bb6463:                ; preds = %cond_next201
+       ret i32 0
+
+bb6605:                ; preds = %cond_next201
+       ret i32 0
+
+bb6746:                ; preds = %cond_next201
+       ret i32 0
+
+bb12899:               ; preds = %cond_next201
+       ret i32 0
+
+bb19955:               ; preds = %cond_next201
+       ret i32 0
+}