[llvm-commits] [poolalloc] r124461 - in /poolalloc/trunk/test/dsa/td: mergeArgs.ll mergeArgs1.ll

[Arushi Aggarwal]

Author: aggarwa4
Date: Thu Jan 27 20:08:59 2011
New Revision: 124461

URL: http://llvm.org/viewvc/llvm-project?rev=124461&view=rev
Log:
Add more tests to check that TD correctly 
merges nodes for formal arguments, if same actual 
argument is passed in.

Added:
    poolalloc/trunk/test/dsa/td/mergeArgs.ll
    poolalloc/trunk/test/dsa/td/mergeArgs1.ll

Added: poolalloc/trunk/test/dsa/td/mergeArgs.ll
URL: http://llvm.org/viewvc/llvm-project/poolalloc/trunk/test/dsa/td/mergeArgs.ll?rev=124461&view=auto
==============================================================================
--- poolalloc/trunk/test/dsa/td/mergeArgs.ll (added)
+++ poolalloc/trunk/test/dsa/td/mergeArgs.ll Thu Jan 27 20:08:59 2011
@@ -0,0 +1,47 @@
+; Pass same pointer(from main) as 2 different args to func
+; The formal args to func do not alias in func
+; Verify that the node is merged in TD
+
+;RUN: dsaopt %s -dsa-td -analyze -check-same-node=func:arg1,func:arg2
+;RUN: dsaopt %s -dsa-bu -analyze -check-not-same-node=func:arg1,func:arg2
+
+; ModuleID = 'mergeArgs.o'
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
+target triple = "x86_64-unknown-linux-gnu"
+
+define void @func(i32* %arg1, i32* %arg2) nounwind {
+entry:
+  %arg1_addr = alloca i32*                        ; <i32**> [#uses=2]
+  %arg2_addr = alloca i32*                        ; <i32**> [#uses=2]
+  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
+  store i32* %arg1, i32** %arg1_addr
+  store i32* %arg2, i32** %arg2_addr
+  %0 = load i32** %arg1_addr, align 8             ; <i32*> [#uses=1]
+  store i32 1, i32* %0, align 4
+  %1 = load i32** %arg2_addr, align 8             ; <i32*> [#uses=1]
+  store i32 2, i32* %1, align 4
+  br label %return
+
+return:                                           ; preds = %entry
+  ret void
+}
+
+define i32 @main() nounwind {
+entry:
+  %retval = alloca i32                            ; <i32*> [#uses=1]
+  %p = alloca i32*                                ; <i32**> [#uses=3]
+  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
+  %0 = call noalias i8* @malloc(i64 4) nounwind   ; <i8*> [#uses=1]
+  %1 = bitcast i8* %0 to i32*                     ; <i32*> [#uses=1]
+  store i32* %1, i32** %p, align 8
+  %2 = load i32** %p, align 8                     ; <i32*> [#uses=1]
+  %3 = load i32** %p, align 8                     ; <i32*> [#uses=1]
+  call void @func(i32* %2, i32* %3) nounwind
+  br label %return
+
+return:                                           ; preds = %entry
+  %retval1 = load i32* %retval                    ; <i32> [#uses=1]
+  ret i32 %retval1
+}
+
+declare noalias i8* @malloc(i64) nounwind

Added: poolalloc/trunk/test/dsa/td/mergeArgs1.ll
URL: http://llvm.org/viewvc/llvm-project/poolalloc/trunk/test/dsa/td/mergeArgs1.ll?rev=124461&view=auto
==============================================================================
--- poolalloc/trunk/test/dsa/td/mergeArgs1.ll (added)
+++ poolalloc/trunk/test/dsa/td/mergeArgs1.ll Thu Jan 27 20:08:59 2011
@@ -0,0 +1,47 @@
+; Pass same pointer(from main) as 2 different args to func
+; The formal args to func do not alias in func
+; Verify that the node is merged in TD
+
+;RUN: dsaopt %s -dsa-td -analyze -check-same-node=func:arg1:0,func:arg2
+;RUN: dsaopt %s -dsa-bu -analyze -check-not-same-node=func:arg1:0,func:arg2
+
+; ModuleID = 'mergeArgs.o'
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
+target triple = "x86_64-unknown-linux-gnu"
+
+define void @func(i32** %arg1, i32* %arg2) nounwind {
+entry:
+  %arg1_addr = alloca i32**                       ; <i32***> [#uses=2]
+  %arg2_addr = alloca i32*                        ; <i32**> [#uses=2]
+  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
+  store i32** %arg1, i32*** %arg1_addr
+  store i32* %arg2, i32** %arg2_addr
+  %0 = load i32*** %arg1_addr, align 8            ; <i32**> [#uses=1]
+  %1 = load i32** %0, align 8                     ; <i32*> [#uses=1]
+  store i32 1, i32* %1, align 4
+  %2 = load i32** %arg2_addr, align 8             ; <i32*> [#uses=1]
+  store i32 2, i32* %2, align 4
+  br label %return
+
+return:                                           ; preds = %entry
+  ret void
+}
+
+define i32 @main() nounwind {
+entry:
+  %retval = alloca i32                            ; <i32*> [#uses=1]
+  %p = alloca i32*                                ; <i32**> [#uses=3]
+  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
+  %0 = call noalias i8* @malloc(i64 4) nounwind   ; <i8*> [#uses=1]
+  %1 = bitcast i8* %0 to i32*                     ; <i32*> [#uses=1]
+  store i32* %1, i32** %p, align 8
+  %2 = load i32** %p, align 8                     ; <i32*> [#uses=1]
+  call void @func(i32** %p, i32* %2) nounwind
+  br label %return
+
+return:                                           ; preds = %entry
+  %retval1 = load i32* %retval                    ; <i32> [#uses=1]
+  ret i32 %retval1
+}
+
+declare noalias i8* @malloc(i64) nounwind