[llvm] r224418 - Added 5 more tests related to sink store revision 224247
Elena Demikhovsky
elena.demikhovsky at intel.com
Wed Dec 17 00:12:59 PST 2014
Author: delena
Date: Wed Dec 17 02:12:59 2014
New Revision: 224418
URL: http://llvm.org/viewvc/llvm-project?rev=224418&view=rev
Log:
Added 5 more tests related to sink store revision 224247
- by Ella Bolshinsky
http://reviews.llvm.org/D6420
Added:
llvm/trunk/test/Transforms/InstMerge/st_sink_no_barrier_call.ll
llvm/trunk/test/Transforms/InstMerge/st_sink_no_barrier_load.ll
llvm/trunk/test/Transforms/InstMerge/st_sink_no_barrier_store.ll
llvm/trunk/test/Transforms/InstMerge/st_sink_two_stores.ll
llvm/trunk/test/Transforms/InstMerge/st_sink_with_barrier.ll
Added: llvm/trunk/test/Transforms/InstMerge/st_sink_no_barrier_call.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstMerge/st_sink_no_barrier_call.ll?rev=224418&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/InstMerge/st_sink_no_barrier_call.ll (added)
+++ llvm/trunk/test/Transforms/InstMerge/st_sink_no_barrier_call.ll Wed Dec 17 02:12:59 2014
@@ -0,0 +1,45 @@
+; Test to make sure that stores in a diamond get merged with a non barrier function call after the store instruction
+; Stores sunks into the footer.
+; RUN: opt -basicaa -memdep -mldst-motion -S < %s | FileCheck %s
+target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
+
+%struct.node = type { i32, %struct.node*, %struct.node*, %struct.node*, i32, i32, i32, i32 }
+
+declare i32 @foo(i32 %x) #0
+
+; Function Attrs: nounwind uwtable
+define void @sink_store(%struct.node* nocapture %r, i32 %index) {
+entry:
+ %node.0.in16 = getelementptr inbounds %struct.node* %r, i64 0, i32 2
+ %node.017 = load %struct.node** %node.0.in16, align 8
+ %index.addr = alloca i32, align 4
+ store i32 %index, i32* %index.addr, align 4
+ %0 = load i32* %index.addr, align 4
+ %cmp = icmp slt i32 %0, 0
+ br i1 %cmp, label %if.then, label %if.else
+
+; CHECK: if.then
+if.then: ; preds = %entry
+ %1 = load i32* %index.addr, align 4
+ %p1 = getelementptr inbounds %struct.node* %node.017, i32 0, i32 6
+ ; CHECK-NOT: store i32
+ store i32 %1, i32* %p1, align 4
+ br label %if.end
+
+; CHECK: if.else
+if.else: ; preds = %entry
+ %2 = load i32* %index.addr, align 4
+ %add = add nsw i32 %2, 1
+ %p3 = getelementptr inbounds %struct.node* %node.017, i32 0, i32 6
+ ; CHECK-NOT: store i32
+ store i32 %add, i32* %p3, align 4
+ call i32 @foo(i32 5) ;not a barrier
+ br label %if.end
+
+; CHECK: if.end
+if.end: ; preds = %if.else, %if.then
+; CHECK: store
+ ret void
+}
+
+attributes #0 = { readnone }
Added: llvm/trunk/test/Transforms/InstMerge/st_sink_no_barrier_load.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstMerge/st_sink_no_barrier_load.ll?rev=224418&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/InstMerge/st_sink_no_barrier_load.ll (added)
+++ llvm/trunk/test/Transforms/InstMerge/st_sink_no_barrier_load.ll Wed Dec 17 02:12:59 2014
@@ -0,0 +1,43 @@
+; Test to make sure that stores in a diamond get merged with a non barrier load after the store instruction
+; Stores sunks into the footer.
+; RUN: opt -basicaa -memdep -mldst-motion -S < %s | FileCheck %s
+target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
+
+%struct.node = type { i32, %struct.node*, %struct.node*, %struct.node*, i32, i32, i32, i32 }
+
+; Function Attrs: nounwind uwtable
+define void @sink_store(%struct.node* nocapture %r, i32 %index) {
+entry:
+ %node.0.in16 = getelementptr inbounds %struct.node* %r, i64 0, i32 2
+ %node.017 = load %struct.node** %node.0.in16, align 8
+ %index.addr = alloca i32, align 4
+ store i32 %index, i32* %index.addr, align 4
+ %0 = load i32* %index.addr, align 4
+ %cmp = icmp slt i32 %0, 0
+ br i1 %cmp, label %if.then, label %if.else
+
+; CHECK: if.then
+if.then: ; preds = %entry
+ %1 = load i32* %index.addr, align 4
+ %p1 = getelementptr inbounds %struct.node* %node.017, i32 0, i32 6
+ ; CHECK-NOT: store i32
+ store i32 %1, i32* %p1, align 4
+ %p2 = getelementptr inbounds %struct.node* %node.017, i32 5, i32 6
+ ; CHECK: load i32*
+ %not_barrier = load i32 * %p2, align 4
+ br label %if.end
+
+; CHECK: if.else
+if.else: ; preds = %entry
+ %2 = load i32* %index.addr, align 4
+ %add = add nsw i32 %2, 1
+ %p3 = getelementptr inbounds %struct.node* %node.017, i32 0, i32 6
+ ; CHECK-NOT: store i32
+ store i32 %add, i32* %p3, align 4
+ br label %if.end
+
+; CHECK: if.end
+if.end: ; preds = %if.else, %if.then
+; CHECK: store
+ ret void
+}
Added: llvm/trunk/test/Transforms/InstMerge/st_sink_no_barrier_store.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstMerge/st_sink_no_barrier_store.ll?rev=224418&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/InstMerge/st_sink_no_barrier_store.ll (added)
+++ llvm/trunk/test/Transforms/InstMerge/st_sink_no_barrier_store.ll Wed Dec 17 02:12:59 2014
@@ -0,0 +1,42 @@
+; Test to make sure that stores in a diamond get merged with a non barrier store after the store instruction to be sunk
+; Stores sunks into the footer.
+; RUN: opt -basicaa -memdep -mldst-motion -S < %s | FileCheck %s
+target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
+
+%struct.node = type { i32, %struct.node*, %struct.node*, %struct.node*, i32, i32, i32, i32 }
+
+; Function Attrs: nounwind uwtable
+define void @sink_store(%struct.node* nocapture %r, i32 %index) {
+entry:
+ %node.0.in16 = getelementptr inbounds %struct.node* %r, i64 0, i32 2
+ %node.017 = load %struct.node** %node.0.in16, align 8
+ %index.addr = alloca i32, align 4
+ store i32 %index, i32* %index.addr, align 4
+ %0 = load i32* %index.addr, align 4
+ %cmp = icmp slt i32 %0, 0
+ br i1 %cmp, label %if.then, label %if.else
+
+; CHECK: if.then
+if.then: ; preds = %entry
+ %1 = load i32* %index.addr, align 4
+ %p1 = getelementptr inbounds %struct.node* %node.017, i32 0, i32 6
+ ; CHECK-NOT: store i32
+ store i32 %1, i32* %p1, align 4
+ br label %if.end
+
+; CHECK: if.else
+if.else: ; preds = %entry
+ %2 = load i32* %index.addr, align 4
+ %add = add nsw i32 %2, 1
+ %p2 = getelementptr inbounds %struct.node* %node.017, i32 0, i32 6
+ store i32 %add, i32* %p2, align 4
+ %p3 = getelementptr inbounds %struct.node* %node.017, i32 5, i32 6
+ ; CHECK: store i32
+ store i32 %add, i32* %p3, align 4 ; This is not a barrier
+ br label %if.end
+
+; CHECK: if.end
+if.end: ; preds = %if.else, %if.then
+; CHECK: store
+ ret void
+}
Added: llvm/trunk/test/Transforms/InstMerge/st_sink_two_stores.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstMerge/st_sink_two_stores.ll?rev=224418&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/InstMerge/st_sink_two_stores.ll (added)
+++ llvm/trunk/test/Transforms/InstMerge/st_sink_two_stores.ll Wed Dec 17 02:12:59 2014
@@ -0,0 +1,47 @@
+; Test to make sure that stores in a diamond get merged
+; Stores sunks into the footer.
+; RUN: opt -basicaa -memdep -mldst-motion -S < %s | FileCheck %s
+target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
+
+%struct.node = type { i32, %struct.node*, %struct.node*, %struct.node*, i32, i32, i32, i32 }
+
+; Function Attrs: nounwind uwtable
+define void @sink_store(%struct.node* nocapture %r, i32 %index) {
+entry:
+ %node.0.in16 = getelementptr inbounds %struct.node* %r, i64 0, i32 2
+ %node.017 = load %struct.node** %node.0.in16, align 8
+ %index.addr = alloca i32, align 4
+ store i32 %index, i32* %index.addr, align 4
+ %0 = load i32* %index.addr, align 4
+ %cmp = icmp slt i32 %0, 0
+ br i1 %cmp, label %if.then, label %if.else
+
+; CHECK: if.then
+if.then: ; preds = %entry
+ %1 = load i32* %index.addr, align 4
+ %p1 = getelementptr inbounds %struct.node* %node.017, i32 0, i32 6
+ ; CHECK-NOT: store i32
+ store i32 %1, i32* %p1, align 4
+ %p2 = getelementptr inbounds %struct.node* %node.017, i32 4, i32 6
+ ; CHECK-NOT: store i32
+ store i32 %1, i32* %p2, align 4
+ br label %if.end
+
+; CHECK: if.else
+if.else: ; preds = %entry
+ %2 = load i32* %index.addr, align 4
+ %add = add nsw i32 %2, 1
+ %p3 = getelementptr inbounds %struct.node* %node.017, i32 0, i32 6
+ ; CHECK-NOT: store i32
+ store i32 %add, i32* %p3, align 4
+ %p4 = getelementptr inbounds %struct.node* %node.017, i32 4, i32 6
+ ; CHECK-NOT: store i32
+ store i32 %2, i32* %p4, align 4
+ br label %if.end
+
+; CHECK: if.end
+if.end: ; preds = %if.else, %if.then
+; CHECK: store
+; CHECK: store
+ ret void
+}
Added: llvm/trunk/test/Transforms/InstMerge/st_sink_with_barrier.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstMerge/st_sink_with_barrier.ll?rev=224418&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/InstMerge/st_sink_with_barrier.ll (added)
+++ llvm/trunk/test/Transforms/InstMerge/st_sink_with_barrier.ll Wed Dec 17 02:12:59 2014
@@ -0,0 +1,42 @@
+; Test to make sure that load from the same address as a store and appears after the store prevents the store from being sunk
+; RUN: opt -basicaa -memdep -mldst-motion -S < %s | FileCheck %s
+target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
+
+%struct.node = type { i32, %struct.node*, %struct.node*, %struct.node*, i32, i32, i32, i32 }
+
+; Function Attrs: nounwind uwtable
+define void @sink_store(%struct.node* nocapture %r, i32 %index) {
+entry:
+ %node.0.in16 = getelementptr inbounds %struct.node* %r, i64 0, i32 2
+ %node.017 = load %struct.node** %node.0.in16, align 8
+ %index.addr = alloca i32, align 4
+ store i32 %index, i32* %index.addr, align 4
+ %0 = load i32* %index.addr, align 4
+ %cmp = icmp slt i32 %0, 0
+ br i1 %cmp, label %if.then, label %if.else
+
+; CHECK: if.then
+if.then: ; preds = %entry
+ %1 = load i32* %index.addr, align 4
+ %p1 = getelementptr inbounds %struct.node* %node.017, i32 0, i32 6
+ ; CHECK: store i32
+ store i32 %1, i32* %p1, align 4
+ %p2 = getelementptr inbounds %struct.node* %node.017, i32 0, i32 6
+ ; CHECK: load i32*
+ %barrier = load i32 * %p2, align 4
+ br label %if.end
+
+; CHECK: if.else
+if.else: ; preds = %entry
+ %2 = load i32* %index.addr, align 4
+ %add = add nsw i32 %2, 1
+ %p3 = getelementptr inbounds %struct.node* %node.017, i32 0, i32 6
+ ; CHECK: store i32
+ store i32 %add, i32* %p3, align 4
+ br label %if.end
+
+; CHECK: if.end
+if.end: ; preds = %if.else, %if.then
+; CHECK-NOT: store
+ ret void
+}
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