[llvm-commits] [llvm] r80510 - /llvm/trunk/test/Transforms/InstCombine/getelementptr.ll

[Chris Lattner]

Author: lattner
Date: Sun Aug 30 15:48:15 2009
New Revision: 80510

URL: http://llvm.org/viewvc/llvm-project?rev=80510&view=rev
Log:
convert to filecheck

Modified:
    llvm/trunk/test/Transforms/InstCombine/getelementptr.ll

Modified: llvm/trunk/test/Transforms/InstCombine/getelementptr.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/getelementptr.ll?rev=80510&r1=80509&r2=80510&view=diff

==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/getelementptr.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/getelementptr.ll Sun Aug 30 15:48:15 2009
@@ -1,69 +1,84 @@
-; The %A getelementptr instruction should be eliminated here
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | FileCheck %s
 
-; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
-; RUN:    grep -v %B | not grep getelementptr
-; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep foo1
-; END.
-
- at Global = constant [10 x i8] c"helloworld"              ; <[10 x i8]*> [#uses=1]
+%pair = type { i32, i32 }
+ at Global = constant [10 x i8] c"helloworld"
 
 ; Test noop elimination
-define i32* @foo1(i32* %I) {
-        %A = getelementptr i32* %I, i64 0               ; <i32*> [#uses=1]
+define i32* @test1(i32* %I) {
+        %A = getelementptr i32* %I, i64 0 
         ret i32* %A
+; CHECK: @test1
+; CHECK: ret i32* %I
 }
 
 ; Test noop elimination
-define i32* @foo2(i32* %I) {
-        %A = getelementptr i32* %I              ; <i32*> [#uses=1]
+define i32* @test2(i32* %I) {
+        %A = getelementptr i32* %I
         ret i32* %A
+; CHECK: @test2
+; CHECK: ret i32* %I
 }
 
 ; Test that two array indexing geps fold
-define i32* @foo3(i32* %I) {
-        %A = getelementptr i32* %I, i64 17              ; <i32*> [#uses=1]
-        %B = getelementptr i32* %A, i64 4               ; <i32*> [#uses=1]
+define i32* @test3(i32* %I) {
+        %A = getelementptr i32* %I, i64 17
+        %B = getelementptr i32* %A, i64 4
         ret i32* %B
+; CHECK: @test3
+; CHECK: getelementptr i32* %I, i64 21
 }
 
 ; Test that two getelementptr insts fold
-define i32* @foo4({ i32 }* %I) {
-        %A = getelementptr { i32 }* %I, i64 1           ; <{ i32 }*> [#uses=1]
-        %B = getelementptr { i32 }* %A, i64 0, i32 0            ; <i32*> [#uses=1]
+define i32* @test4({ i32 }* %I) {
+        %A = getelementptr { i32 }* %I, i64 1 
+        %B = getelementptr { i32 }* %A, i64 0, i32 0
         ret i32* %B
+; CHECK: @test4
+; CHECK: getelementptr %0* %I, i64 1, i32 0
 }
 
-define void @foo5(i8 %B) {
+define void @test5(i8 %B) {
         ; This should be turned into a constexpr instead of being an instruction
-        %A = getelementptr [10 x i8]* @Global, i64 0, i64 4             ; <i8*> [#uses=1]
+        %A = getelementptr [10 x i8]* @Global, i64 0, i64 4 
         store i8 %B, i8* %A
         ret void
+; CHECK: @test5
+; CHECK: store i8 %B, i8* getelementptr inbounds ([10 x i8]* @Global, i64 0, i64 4)
 }
 
-define i32* @foo6() {
-        %M = malloc [4 x i32]           ; <[4 x i32]*> [#uses=1]
-        %A = getelementptr [4 x i32]* %M, i64 0, i64 0          ; <i32*> [#uses=1]
-        %B = getelementptr i32* %A, i64 2               ; <i32*> [#uses=1]
+define i32* @test6() {
+        %M = malloc [4 x i32] 
+        %A = getelementptr [4 x i32]* %M, i64 0, i64 0
+        %B = getelementptr i32* %A, i64 2             
         ret i32* %B
+; CHECK: @test6
+; CHECK: getelementptr [4 x i32]* %M, i64 0, i64 2
 }
 
-define i32* @foo7(i32* %I, i64 %C, i64 %D) {
+define i32* @test7(i32* %I, i64 %C, i64 %D) {
         %A = getelementptr i32* %I, i64 %C              ; <i32*> [#uses=1]
         %B = getelementptr i32* %A, i64 %D              ; <i32*> [#uses=1]
         ret i32* %B
+; CHECK: @test7
+; CHECK: %A.sum = add i64 %C, %D
+; CHECK: getelementptr i32* %I, i64 %A.sum
 }
 
-define i8* @foo8([10 x i32]* %X) {
+define i8* @test8([10 x i32]* %X) {
         ;; Fold into the cast.
         %A = getelementptr [10 x i32]* %X, i64 0, i64 0         ; <i32*> [#uses=1]
         %B = bitcast i32* %A to i8*             ; <i8*> [#uses=1]
         ret i8* %B
+; CHECK: @test8
+; CHECK: bitcast [10 x i32]* %X to i8*
 }
 
 define i32 @test9() {
         %A = getelementptr { i32, double }* null, i32 0, i32 1          ; <double*> [#uses=1]
         %B = ptrtoint double* %A to i32         ; <i32> [#uses=1]
         ret i32 %B
+; CHECK: @test9
+; CHECK: ret i32 8
 }
 
 define i1 @test10({ i32, i32 }* %x, { i32, i32 }* %y) {
@@ -72,10 +87,14 @@
         ;; seteq x, y
         %tmp.4 = icmp eq i32* %tmp.1, %tmp.3            ; <i1> [#uses=1]
         ret i1 %tmp.4
+; CHECK: @test10
+; CHECK: icmp eq %pair* %x, %y
 }
 
 define i1 @test11({ i32, i32 }* %X) {
         %P = getelementptr { i32, i32 }* %X, i32 0, i32 0               ; <i32*> [#uses=1]
         %Q = icmp eq i32* %P, null              ; <i1> [#uses=1]
         ret i1 %Q
+; CHECK: @test11
+; CHECK: icmp eq %pair* %X, null
 }