From e30f0b7d892d49038a45a263457aec58d25ca67c Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sun, 30 Aug 2009 20:48:15 +0000 Subject: convert to filecheck git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80510 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/InstCombine/getelementptr.ll | 69 ++++++++++++++++++---------- 1 file changed, 44 insertions(+), 25 deletions(-) (limited to 'test/Transforms/InstCombine/getelementptr.ll') diff --git a/test/Transforms/InstCombine/getelementptr.ll b/test/Transforms/InstCombine/getelementptr.ll index c2cb720803..833f6a8ed5 100644 --- a/test/Transforms/InstCombine/getelementptr.ll +++ b/test/Transforms/InstCombine/getelementptr.ll @@ -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. - -@Global = constant [10 x i8] c"helloworld" ; <[10 x i8]*> [#uses=1] +%pair = type { i32, i32 } +@Global = constant [10 x i8] c"helloworld" ; Test noop elimination -define i32* @foo1(i32* %I) { - %A = getelementptr i32* %I, i64 0 ; [#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 ; [#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 ; [#uses=1] - %B = getelementptr i32* %A, i64 4 ; [#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 ; [#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 ; [#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 ; [#uses=1] - %B = getelementptr i32* %A, i64 2 ; [#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 ; [#uses=1] %B = getelementptr i32* %A, i64 %D ; [#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 ; [#uses=1] %B = bitcast i32* %A to 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 ; [#uses=1] %B = ptrtoint double* %A to 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 @@ define i1 @test10({ i32, i32 }* %x, { i32, i32 }* %y) { ;; seteq x, y %tmp.4 = icmp eq i32* %tmp.1, %tmp.3 ; [#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 ; [#uses=1] %Q = icmp eq i32* %P, null ; [#uses=1] ret i1 %Q +; CHECK: @test11 +; CHECK: icmp eq %pair* %X, null } -- cgit v1.2.3