From dcb9f483bf67be763d9f8e106b8417476540d6be Mon Sep 17 00:00:00 2001 From: Andreas Bolka Date: Thu, 23 Jul 2009 15:56:53 +0000 Subject: [PATCH] FileCheck'ize and expand LDA testcases. llvm-svn: 76880 --- llvm/test/Analysis/LoopDependenceAnalysis/alias.ll | 44 +++++++++++ .../Analysis/LoopDependenceAnalysis/local-array.ll | 24 ------ .../Analysis/LoopDependenceAnalysis/no-array.ll | 23 ------ .../Analysis/LoopDependenceAnalysis/siv-strong.ll | 82 +++++++++++++++++++++ .../Analysis/LoopDependenceAnalysis/siv-strong1.ll | 30 -------- .../Analysis/LoopDependenceAnalysis/siv-strong2.ll | 31 -------- .../LoopDependenceAnalysis/siv-weak-crossing.ll | 86 ++++++++++++++++++++++ .../LoopDependenceAnalysis/siv-weak-zero.ll | 56 ++++++++++++++ .../LoopDependenceAnalysis/{ziv2.ll => ziv.ll} | 30 ++++++-- llvm/test/Analysis/LoopDependenceAnalysis/ziv1.ll | 23 ------ 10 files changed, 292 insertions(+), 137 deletions(-) create mode 100644 llvm/test/Analysis/LoopDependenceAnalysis/alias.ll delete mode 100644 llvm/test/Analysis/LoopDependenceAnalysis/local-array.ll delete mode 100644 llvm/test/Analysis/LoopDependenceAnalysis/no-array.ll create mode 100644 llvm/test/Analysis/LoopDependenceAnalysis/siv-strong.ll delete mode 100644 llvm/test/Analysis/LoopDependenceAnalysis/siv-strong1.ll delete mode 100644 llvm/test/Analysis/LoopDependenceAnalysis/siv-strong2.ll create mode 100644 llvm/test/Analysis/LoopDependenceAnalysis/siv-weak-crossing.ll create mode 100644 llvm/test/Analysis/LoopDependenceAnalysis/siv-weak-zero.ll rename llvm/test/Analysis/LoopDependenceAnalysis/{ziv2.ll => ziv.ll} (50%) delete mode 100644 llvm/test/Analysis/LoopDependenceAnalysis/ziv1.ll diff --git a/llvm/test/Analysis/LoopDependenceAnalysis/alias.ll b/llvm/test/Analysis/LoopDependenceAnalysis/alias.ll new file mode 100644 index 0000000..6c61326 --- /dev/null +++ b/llvm/test/Analysis/LoopDependenceAnalysis/alias.ll @@ -0,0 +1,44 @@ +; RUN: llvm-as < %s | opt -disable-output -analyze -lda | FileCheck %s + +; x[5] = x[6] // with x being a pointer passed as argument + +define void @f1(i32* nocapture %xptr) nounwind { +entry: + %x.ld.addr = getelementptr i32* %xptr, i64 6 + %x.st.addr = getelementptr i32* %xptr, i64 5 + br label %for.body + +for.body: + %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] + %x = load i32* %x.ld.addr + store i32 %x, i32* %x.st.addr +; CHECK: 0,1: dep + %i.next = add i64 %i, 1 + %exitcond = icmp eq i64 %i.next, 256 + br i1 %exitcond, label %for.end, label %for.body + +for.end: + ret void +} + +; x[5] = x[6] // with x being an array on the stack + +define void @foo(...) nounwind { +entry: + %xptr = alloca [256 x i32], align 4 + %x.ld.addr = getelementptr [256 x i32]* %xptr, i64 0, i64 6 + %x.st.addr = getelementptr [256 x i32]* %xptr, i64 0, i64 5 + br label %for.body + +for.body: + %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] + %x = load i32* %x.ld.addr + store i32 %x, i32* %x.st.addr +; CHECK: 0,1: dep + %i.next = add i64 %i, 1 + %exitcond = icmp eq i64 %i.next, 256 + br i1 %exitcond, label %for.end, label %for.body + +for.end: + ret void +} diff --git a/llvm/test/Analysis/LoopDependenceAnalysis/local-array.ll b/llvm/test/Analysis/LoopDependenceAnalysis/local-array.ll deleted file mode 100644 index c42e0fa..0000000 --- a/llvm/test/Analysis/LoopDependenceAnalysis/local-array.ll +++ /dev/null @@ -1,24 +0,0 @@ -; RUN: llvm-as < %s | opt -disable-output -analyze -lda > %t -; RUN: grep {instructions: 2} %t | count 1 -; RUN: grep {0,1: dependent} %t | count 1 - -; x[5] = x[6] // with x being an array on the stack - -define void @foo(...) nounwind { -entry: - %xptr = alloca [256 x i32], align 4 - %x.ld.addr = getelementptr [256 x i32]* %xptr, i64 0, i64 6 - %x.st.addr = getelementptr [256 x i32]* %xptr, i64 0, i64 5 - br label %for.body - -for.body: - %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] - %x = load i32* %x.ld.addr - store i32 %x, i32* %x.st.addr - %i.next = add i64 %i, 1 - %exitcond = icmp eq i64 %i.next, 256 - br i1 %exitcond, label %for.end, label %for.body - -for.end: - ret void -} diff --git a/llvm/test/Analysis/LoopDependenceAnalysis/no-array.ll b/llvm/test/Analysis/LoopDependenceAnalysis/no-array.ll deleted file mode 100644 index 03b9f4d..0000000 --- a/llvm/test/Analysis/LoopDependenceAnalysis/no-array.ll +++ /dev/null @@ -1,23 +0,0 @@ -; RUN: llvm-as < %s | opt -disable-output -analyze -lda > %t -; RUN: grep {instructions: 2} %t | count 1 -; RUN: grep {0,1: dependent} %t | count 1 - -; x[5] = x[6] // with x being a pointer passed as argument - -define void @foo(i32* nocapture %xptr) nounwind { -entry: - %x.ld.addr = getelementptr i32* %xptr, i64 6 - %x.st.addr = getelementptr i32* %xptr, i64 5 - br label %for.body - -for.body: - %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] - %x = load i32* %x.ld.addr - store i32 %x, i32* %x.st.addr - %i.next = add i64 %i, 1 - %exitcond = icmp eq i64 %i.next, 256 - br i1 %exitcond, label %for.end, label %for.body - -for.end: - ret void -} diff --git a/llvm/test/Analysis/LoopDependenceAnalysis/siv-strong.ll b/llvm/test/Analysis/LoopDependenceAnalysis/siv-strong.ll new file mode 100644 index 0000000..9536645 --- /dev/null +++ b/llvm/test/Analysis/LoopDependenceAnalysis/siv-strong.ll @@ -0,0 +1,82 @@ +; RUN: llvm-as < %s | opt -disable-output -analyze -lda | FileCheck %s + +@x = common global [256 x i32] zeroinitializer, align 4 +@y = common global [256 x i32] zeroinitializer, align 4 + +; for (i = 0; i < 256; i++) +; x[i] = x[i] + y[i] + +define void @f1(...) nounwind { +entry: + br label %for.body + +for.body: + %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] + %y.addr = getelementptr [256 x i32]* @y, i64 0, i64 %i + %x.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i + %x = load i32* %x.addr ; 0 + %y = load i32* %y.addr ; 1 + %r = add i32 %y, %x + store i32 %r, i32* %x.addr ; 2 +; CHECK: 0,2: dep +; CHECK: 1,2: ind + %i.next = add i64 %i, 1 + %exitcond = icmp eq i64 %i.next, 256 + br i1 %exitcond, label %for.end, label %for.body + +for.end: + ret void +} + +; for (i = 0; i < 256; i++) +; x[i+1] = x[i] + y[i] + +define void @f2(...) nounwind { +entry: + br label %for.body + +for.body: + %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] + %y.ld.addr = getelementptr [256 x i32]* @y, i64 0, i64 %i + %x.ld.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i + %i.next = add i64 %i, 1 + %x.st.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i.next + %x = load i32* %x.ld.addr ; 0 + %y = load i32* %y.ld.addr ; 1 + %r = add i32 %y, %x + store i32 %r, i32* %x.st.addr ; 2 +; CHECK: 0,2: dep +; CHECK: 1,2: ind + %exitcond = icmp eq i64 %i.next, 256 + br i1 %exitcond, label %for.end, label %for.body + +for.end: + ret void +} + +; for (i = 0; i < 10; i++) +; x[i+20] = x[i] + y[i] + +define void @f3(...) nounwind { +entry: + br label %for.body + +for.body: + %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] + %y.ld.addr = getelementptr [256 x i32]* @y, i64 0, i64 %i + %x.ld.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i + %i.20 = add i64 %i, 20 + %x.st.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i.20 + %x = load i32* %x.ld.addr ; 0 + %y = load i32* %y.ld.addr ; 1 + %r = add i32 %y, %x + store i32 %r, i32* %x.st.addr ; 2 +; CHECK: 0,2: dep +; CHECK: 1,2: ind + %i.next = add i64 %i, 1 + %exitcond = icmp eq i64 %i.next, 256 + br i1 %exitcond, label %for.end, label %for.body + +for.end: + ret void +} diff --git a/llvm/test/Analysis/LoopDependenceAnalysis/siv-strong1.ll b/llvm/test/Analysis/LoopDependenceAnalysis/siv-strong1.ll deleted file mode 100644 index c416ff3..0000000 --- a/llvm/test/Analysis/LoopDependenceAnalysis/siv-strong1.ll +++ /dev/null @@ -1,30 +0,0 @@ -; RUN: llvm-as < %s | opt -disable-output -analyze -lda > %t -; RUN: grep {instructions: 3} %t | count 1 -; RUN: grep {0,2: dependent} %t | count 1 -; RUN: grep {1,2: independent} %t | count 1 - -; for (i = 0; i < 256; i++) -; x[i] = x[i] + y[i] - -@x = common global [256 x i32] zeroinitializer, align 4 -@y = common global [256 x i32] zeroinitializer, align 4 - -define void @foo(...) nounwind { -entry: - br label %for.body - -for.body: - %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] - %y.addr = getelementptr [256 x i32]* @y, i64 0, i64 %i - %x.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i - %x = load i32* %x.addr - %y = load i32* %y.addr - %r = add i32 %y, %x - store i32 %r, i32* %x.addr - %i.next = add i64 %i, 1 - %exitcond = icmp eq i64 %i.next, 256 - br i1 %exitcond, label %for.end, label %for.body - -for.end: - ret void -} diff --git a/llvm/test/Analysis/LoopDependenceAnalysis/siv-strong2.ll b/llvm/test/Analysis/LoopDependenceAnalysis/siv-strong2.ll deleted file mode 100644 index 7295863..0000000 --- a/llvm/test/Analysis/LoopDependenceAnalysis/siv-strong2.ll +++ /dev/null @@ -1,31 +0,0 @@ -; RUN: llvm-as < %s | opt -disable-output -analyze -lda > %t -; RUN: grep {instructions: 3} %t | count 1 -; RUN: grep {0,2: dependent} %t | count 1 -; RUN: grep {1,2: independent} %t | count 1 - -; for (i = 0; i < 256; i++) -; x[i+1] = x[i] + y[i] - -@x = common global [256 x i32] zeroinitializer, align 4 -@y = common global [256 x i32] zeroinitializer, align 4 - -define void @foo(...) nounwind { -entry: - br label %for.body - -for.body: - %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] - %y.ld.addr = getelementptr [256 x i32]* @y, i64 0, i64 %i - %x.ld.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i - %i.next = add i64 %i, 1 - %x.st.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i.next - %x = load i32* %x.ld.addr - %y = load i32* %y.ld.addr - %r = add i32 %y, %x - store i32 %r, i32* %x.st.addr - %exitcond = icmp eq i64 %i.next, 256 - br i1 %exitcond, label %for.end, label %for.body - -for.end: - ret void -} diff --git a/llvm/test/Analysis/LoopDependenceAnalysis/siv-weak-crossing.ll b/llvm/test/Analysis/LoopDependenceAnalysis/siv-weak-crossing.ll new file mode 100644 index 0000000..eff3644 --- /dev/null +++ b/llvm/test/Analysis/LoopDependenceAnalysis/siv-weak-crossing.ll @@ -0,0 +1,86 @@ +; RUN: llvm-as < %s | opt -disable-output -analyze -lda | FileCheck %s + +@x = common global [256 x i32] zeroinitializer, align 4 +@y = common global [256 x i32] zeroinitializer, align 4 + +; for (i = 0; i < 256; i++) +; x[i] = x[256 - i] + y[i] + +define void @f1(...) nounwind { +entry: + br label %for.body + +for.body: + %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] + %i.256 = sub i64 256, %i + %y.ld.addr = getelementptr [256 x i32]* @y, i64 0, i64 %i.256 + %x.ld.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i + %x.st.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i + %x = load i32* %x.ld.addr ; 0 + %y = load i32* %y.ld.addr ; 1 + %r = add i32 %y, %x + store i32 %r, i32* %x.st.addr ; 2 +; CHECK: 0,2: dep +; CHECK: 1,2: ind + %i.next = add i64 %i, 1 + %exitcond = icmp eq i64 %i.next, 256 + br i1 %exitcond, label %for.end, label %for.body + +for.end: + ret void +} + +; // the same example, using more realistic IR +; for (i = 0; i < 256; i++) +; x[i] = x[256 - i] + y[i] + +define void @f2(...) nounwind { +entry: + br label %for.body + +for.body: + %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] + %i.256 = sub i64 0, %i + %y.ld.addr = getelementptr [256 x i32]* @y, i64 0, i64 %i + %x.ld.addr = getelementptr [256 x i32]* @x, i64 1, i64 %i.256 + %x.st.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i + %x = load i32* %x.ld.addr ; 0 + %y = load i32* %y.ld.addr ; 1 + %r = add i32 %y, %x + store i32 %r, i32* %x.st.addr ; 2 +; CHECK: 0,2: dep +; CHECK: 1,2: ind + %i.next = add i64 %i, 1 + %exitcond = icmp eq i64 %i.next, 256 + br i1 %exitcond, label %for.end, label %for.body + +for.end: + ret void +} + +; for (i = 0; i < 100; i++) +; x[i] = x[256 - i] + y[i] + +define void @f3(...) nounwind { +entry: + br label %for.body + +for.body: + %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] + %i.256 = sub i64 0, %i + %y.ld.addr = getelementptr [256 x i32]* @y, i64 0, i64 %i + %x.ld.addr = getelementptr [256 x i32]* @x, i64 1, i64 %i.256 + %x.st.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i + %x = load i32* %x.ld.addr ; 0 + %y = load i32* %y.ld.addr ; 1 + %r = add i32 %y, %x + store i32 %r, i32* %x.st.addr ; 2 +; CHECK: 0,2: dep +; CHECK: 1,2: ind + %i.next = add i64 %i, 1 + %exitcond = icmp eq i64 %i.next, 100 + br i1 %exitcond, label %for.end, label %for.body + +for.end: + ret void +} diff --git a/llvm/test/Analysis/LoopDependenceAnalysis/siv-weak-zero.ll b/llvm/test/Analysis/LoopDependenceAnalysis/siv-weak-zero.ll new file mode 100644 index 0000000..12c90ba --- /dev/null +++ b/llvm/test/Analysis/LoopDependenceAnalysis/siv-weak-zero.ll @@ -0,0 +1,56 @@ +; RUN: llvm-as < %s | opt -disable-output -analyze -lda | FileCheck %s + +@x = common global [256 x i32] zeroinitializer, align 4 +@y = common global [256 x i32] zeroinitializer, align 4 + +; for (i = 0; i < 256; i++) +; x[i] = x[42] + y[i] + +define void @f1(...) nounwind { +entry: + %x.ld.addr = getelementptr [256 x i32]* @x, i64 0, i64 42 + br label %for.body + +for.body: + %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] + %x.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i + %y.addr = getelementptr [256 x i32]* @y, i64 0, i64 %i + %x = load i32* %x.ld.addr ; 0 + %y = load i32* %y.addr ; 1 + %r = add i32 %y, %x + store i32 %r, i32* %x.addr ; 2 +; CHECK: 0,2: dep +; CHECK: 1,2: ind + %i.next = add i64 %i, 1 + %exitcond = icmp eq i64 %i.next, 256 + br i1 %exitcond, label %for.end, label %for.body + +for.end: + ret void +} + +; for (i = 0; i < 250; i++) +; x[i] = x[255] + y[i] + +define void @f2(...) nounwind { +entry: + %x.ld.addr = getelementptr [256 x i32]* @x, i64 0, i64 255 + br label %for.body + +for.body: + %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] + %x.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i + %y.addr = getelementptr [256 x i32]* @y, i64 0, i64 %i + %x = load i32* %x.ld.addr ; 0 + %y = load i32* %y.addr ; 1 + %r = add i32 %y, %x + store i32 %r, i32* %x.addr ; 2 +; CHECK: 0,2: dep +; CHECK: 1,2: ind + %i.next = add i64 %i, 1 + %exitcond = icmp eq i64 %i.next, 250 + br i1 %exitcond, label %for.end, label %for.body + +for.end: + ret void +} diff --git a/llvm/test/Analysis/LoopDependenceAnalysis/ziv2.ll b/llvm/test/Analysis/LoopDependenceAnalysis/ziv.ll similarity index 50% rename from llvm/test/Analysis/LoopDependenceAnalysis/ziv2.ll rename to llvm/test/Analysis/LoopDependenceAnalysis/ziv.ll index cecf3a7..b099a57 100644 --- a/llvm/test/Analysis/LoopDependenceAnalysis/ziv2.ll +++ b/llvm/test/Analysis/LoopDependenceAnalysis/ziv.ll @@ -1,12 +1,29 @@ -; RUN: llvm-as < %s | opt -disable-output -analyze -lda > %t -; RUN: grep {instructions: 2} %t | count 1 -; RUN: grep {0,1: dependent} %t | count 1 - -; x[c] = x[c+1] // with c being a loop-invariant constant +; RUN: llvm-as < %s | opt -disable-output -analyze -lda | FileCheck %s @x = common global [256 x i32] zeroinitializer, align 4 -define void @foo(i64 %c0) nounwind { +; x[5] = x[6] + +define void @f1(...) nounwind { +entry: + br label %for.body + +for.body: + %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] + %x = load i32* getelementptr ([256 x i32]* @x, i32 0, i64 6) + store i32 %x, i32* getelementptr ([256 x i32]* @x, i32 0, i64 5) +; CHECK: 0,1: dep + %i.next = add i64 %i, 1 + %exitcond = icmp eq i64 %i.next, 256 + br i1 %exitcond, label %for.end, label %for.body + +for.end: + ret void +} + +; x[c] = x[c+1] // with c being a loop-invariant constant + +define void @f2(i64 %c0) nounwind { entry: %c1 = add i64 %c0, 1 %x.ld.addr = getelementptr [256 x i32]* @x, i64 0, i64 %c0 @@ -17,6 +34,7 @@ for.body: %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] %x = load i32* %x.ld.addr store i32 %x, i32* %x.st.addr +; CHECK: 0,1: dep %i.next = add i64 %i, 1 %exitcond = icmp eq i64 %i.next, 256 br i1 %exitcond, label %for.end, label %for.body diff --git a/llvm/test/Analysis/LoopDependenceAnalysis/ziv1.ll b/llvm/test/Analysis/LoopDependenceAnalysis/ziv1.ll deleted file mode 100644 index e42c0a0..0000000 --- a/llvm/test/Analysis/LoopDependenceAnalysis/ziv1.ll +++ /dev/null @@ -1,23 +0,0 @@ -; RUN: llvm-as < %s | opt -disable-output -analyze -lda > %t -; RUN: grep {instructions: 2} %t | count 1 -; RUN: grep {0,1: dependent} %t | count 1 - -; x[5] = x[6] - -@x = common global [256 x i32] zeroinitializer, align 4 - -define void @foo(...) nounwind { -entry: - br label %for.body - -for.body: - %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] - %x = load i32* getelementptr ([256 x i32]* @x, i32 0, i64 6) - store i32 %x, i32* getelementptr ([256 x i32]* @x, i32 0, i64 5) - %i.next = add i64 %i, 1 - %exitcond = icmp eq i64 %i.next, 256 - br i1 %exitcond, label %for.end, label %for.body - -for.end: - ret void -} -- 2.7.4