[llvm-commits] [llvm] r42890 - /llvm/trunk/test/Transforms/InstCombine/malloc3.ll

[Chris Lattner]

Author: lattner
Date: Fri Oct 12 00:29:53 2007
New Revision: 42890

URL: http://llvm.org/viewvc/llvm-project?rev=42890&view=rev
Log:
testcase for PR1728

Added:
    llvm/trunk/test/Transforms/InstCombine/malloc3.ll

Added: llvm/trunk/test/Transforms/InstCombine/malloc3.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/malloc3.ll?rev=42890&view=auto

==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/malloc3.ll (added)
+++ llvm/trunk/test/Transforms/InstCombine/malloc3.ll Fri Oct 12 00:29:53 2007
@@ -0,0 +1,26 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {malloc.*struct.foo} | count 2
+; PR1728
+
+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 = "i686-apple-darwin8"
+        %struct.foo = type { %struct.foo*, [10 x i32] }
+ at .str = internal constant [21 x i8] c"tmp = %p, next = %p\0A\00"                ; <[21 x i8]*> [#uses=1]
+
+define i32 @main() {
+entry:
+        %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
+        %tmp1 = malloc i8, i32 44               ; <i8*> [#uses=1]
+        %tmp12 = bitcast i8* %tmp1 to %struct.foo*              ; <%struct.foo*> [#uses=3]
+        %tmp3 = malloc i8, i32 44               ; <i8*> [#uses=1]
+        %tmp34 = bitcast i8* %tmp3 to %struct.foo*              ; <%struct.foo*> [#uses=1]
+        %tmp6 = getelementptr %struct.foo* %tmp12, i32 0, i32 0         ; <%struct.foo**> [#uses=1]
+        store %struct.foo* %tmp34, %struct.foo** %tmp6, align 4
+        %tmp8 = getelementptr %struct.foo* %tmp12, i32 0, i32 0         ; <%struct.foo**> [#uses=1]
+        %tmp9 = load %struct.foo** %tmp8, align 4               ; <%struct.foo*> [#uses=1]
+        %tmp10 = getelementptr [21 x i8]* @.str, i32 0, i32 0           ; <i8*> [#uses=1]
+        %tmp13 = call i32 (i8*, ...)* @printf( i8* %tmp10, %struct.foo* %tmp12, %struct.foo* %tmp9 )            ; <i32> [#uses=0]
+        ret i32 undef
+}
+
+declare i32 @printf(i8*, ...)
+