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-rw-r--r--test/Transforms/InstMerge/st_sink_barrier_call.ll43
-rw-r--r--test/Transforms/InstMerge/st_sink_bugfix_22613.ll106
-rw-r--r--test/Transforms/InstMerge/st_sink_no_barrier_call.ll45
-rw-r--r--test/Transforms/InstMerge/st_sink_no_barrier_load.ll43
-rw-r--r--test/Transforms/InstMerge/st_sink_no_barrier_store.ll42
-rw-r--r--test/Transforms/InstMerge/st_sink_two_stores.ll47
-rw-r--r--test/Transforms/InstMerge/st_sink_with_barrier.ll42
7 files changed, 368 insertions, 0 deletions
diff --git a/test/Transforms/InstMerge/st_sink_barrier_call.ll b/test/Transforms/InstMerge/st_sink_barrier_call.ll
new file mode 100644
index 0000000..c158b00
--- /dev/null
+++ b/test/Transforms/InstMerge/st_sink_barrier_call.ll
@@ -0,0 +1,43 @@
+; Test to make sure that a function call that needs to be a barrier to sinking stores is indeed a barrier.
+; 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)
+
+; 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
+ 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
+ call i32 @foo(i32 5) ;barrier
+ br label %if.end
+
+; CHECK: if.end
+if.end: ; preds = %if.else, %if.then
+; CHECK-NOT: store
+ ret void
+}
diff --git a/test/Transforms/InstMerge/st_sink_bugfix_22613.ll b/test/Transforms/InstMerge/st_sink_bugfix_22613.ll
new file mode 100644
index 0000000..34e3fdb
--- /dev/null
+++ b/test/Transforms/InstMerge/st_sink_bugfix_22613.ll
@@ -0,0 +1,106 @@
+; ModuleID = 'bug.c'
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+; RUN: opt -O2 -S < %s | FileCheck %s
+
+; CHECK_LABEL: main
+; CHECK: if.end
+; CHECK: store
+; CHECK: memset
+; CHECK: if.then
+; CHECK: store
+; CHECK: memset
+
+@d = common global i32 0, align 4
+@b = common global i32 0, align 4
+@f = common global [1 x [3 x i8]] zeroinitializer, align 1
+@e = common global i32 0, align 4
+@c = common global i32 0, align 4
+@a = common global i32 0, align 4
+
+; Function Attrs: nounwind uwtable
+define void @fn1() {
+entry:
+ store i32 0, i32* @d, align 4
+ br label %for.cond
+
+for.cond: ; preds = %for.inc8, %entry
+ %0 = load i32* @d, align 4
+ %cmp = icmp slt i32 %0, 2
+ br i1 %cmp, label %for.body, label %for.end10
+
+for.body: ; preds = %for.cond
+ %1 = load i32* @d, align 4
+ %idxprom = sext i32 %1 to i64
+ %2 = load i32* @b, align 4
+ %idxprom1 = sext i32 %2 to i64
+ %arrayidx = getelementptr inbounds [1 x [3 x i8]]* @f, i32 0, i64 %idxprom1
+ %arrayidx2 = getelementptr inbounds [3 x i8]* %arrayidx, i32 0, i64 %idxprom
+ store i8 0, i8* %arrayidx2, align 1
+ store i32 0, i32* @e, align 4
+ br label %for.cond3
+
+for.cond3: ; preds = %for.inc, %for.body
+ %3 = load i32* @e, align 4
+ %cmp4 = icmp slt i32 %3, 3
+ br i1 %cmp4, label %for.body5, label %for.end
+
+for.body5: ; preds = %for.cond3
+ %4 = load i32* @c, align 4
+ %tobool = icmp ne i32 %4, 0
+ br i1 %tobool, label %if.then, label %if.end
+
+if.then: ; preds = %for.body5
+ %5 = load i32* @a, align 4
+ %dec = add nsw i32 %5, -1
+ store i32 %dec, i32* @a, align 4
+ br label %if.end
+
+if.end: ; preds = %if.then, %for.body5
+ %6 = load i32* @e, align 4
+ %idxprom6 = sext i32 %6 to i64
+ %arrayidx7 = getelementptr inbounds [3 x i8]* getelementptr inbounds ([1 x [3 x i8]]* @f, i32 0, i64 0), i32 0, i64 %idxprom6
+ store i8 1, i8* %arrayidx7, align 1
+ br label %for.inc
+
+for.inc: ; preds = %if.end
+ %7 = load i32* @e, align 4
+ %inc = add nsw i32 %7, 1
+ store i32 %inc, i32* @e, align 4
+ br label %for.cond3
+
+for.end: ; preds = %for.cond3
+ br label %for.inc8
+
+for.inc8: ; preds = %for.end
+ %8 = load i32* @d, align 4
+ %inc9 = add nsw i32 %8, 1
+ store i32 %inc9, i32* @d, align 4
+ br label %for.cond
+
+for.end10: ; preds = %for.cond
+ ret void
+}
+
+; Function Attrs: nounwind uwtable
+define i32 @main() {
+entry:
+ %retval = alloca i32, align 4
+ store i32 0, i32* %retval
+ call void @fn1()
+ %0 = load i8* getelementptr inbounds ([1 x [3 x i8]]* @f, i32 0, i64 0, i64 1), align 1
+ %conv = sext i8 %0 to i32
+ %cmp = icmp ne i32 %conv, 1
+ br i1 %cmp, label %if.then, label %if.end
+
+if.then: ; preds = %entry
+ call void @abort()
+ unreachable
+
+if.end: ; preds = %entry
+ ret i32 0
+}
+
+; Function Attrs: noreturn nounwind
+declare void @abort()
diff --git a/test/Transforms/InstMerge/st_sink_no_barrier_call.ll b/test/Transforms/InstMerge/st_sink_no_barrier_call.ll
new file mode 100644
index 0000000..72f1fdf
--- /dev/null
+++ b/test/Transforms/InstMerge/st_sink_no_barrier_call.ll
@@ -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 }
diff --git a/test/Transforms/InstMerge/st_sink_no_barrier_load.ll b/test/Transforms/InstMerge/st_sink_no_barrier_load.ll
new file mode 100644
index 0000000..5be0c25
--- /dev/null
+++ b/test/Transforms/InstMerge/st_sink_no_barrier_load.ll
@@ -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
+}
diff --git a/test/Transforms/InstMerge/st_sink_no_barrier_store.ll b/test/Transforms/InstMerge/st_sink_no_barrier_store.ll
new file mode 100644
index 0000000..06e2b63
--- /dev/null
+++ b/test/Transforms/InstMerge/st_sink_no_barrier_store.ll
@@ -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
+}
diff --git a/test/Transforms/InstMerge/st_sink_two_stores.ll b/test/Transforms/InstMerge/st_sink_two_stores.ll
new file mode 100644
index 0000000..1f7c6aa
--- /dev/null
+++ b/test/Transforms/InstMerge/st_sink_two_stores.ll
@@ -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
+}
diff --git a/test/Transforms/InstMerge/st_sink_with_barrier.ll b/test/Transforms/InstMerge/st_sink_with_barrier.ll
new file mode 100644
index 0000000..d4efaa7
--- /dev/null
+++ b/test/Transforms/InstMerge/st_sink_with_barrier.ll
@@ -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
+}
generated by cgit v1.1 at 2024-12-22 16:38:24 +0000