[llvm] r235602 - [Hexagon] Add testcases for stack alignment and variable-sized objects
Krzysztof Parzyszek
kparzysz at codeaurora.org
Thu Apr 23 08:12:49 PDT 2015
Author: kparzysz
Date: Thu Apr 23 10:12:49 2015
New Revision: 235602
URL: http://llvm.org/viewvc/llvm-project?rev=235602&view=rev
Log:
[Hexagon] Add testcases for stack alignment and variable-sized objects
Added:
llvm/trunk/test/CodeGen/Hexagon/stack-align1.ll
llvm/trunk/test/CodeGen/Hexagon/stack-align2.ll
llvm/trunk/test/CodeGen/Hexagon/stack-alloca1.ll
llvm/trunk/test/CodeGen/Hexagon/stack-alloca2.ll
Added: llvm/trunk/test/CodeGen/Hexagon/stack-align1.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Hexagon/stack-align1.ll?rev=235602&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/Hexagon/stack-align1.ll (added)
+++ llvm/trunk/test/CodeGen/Hexagon/stack-align1.ll Thu Apr 23 10:12:49 2015
@@ -0,0 +1,21 @@
+; RUN: llc -O0 -march=hexagon < %s | FileCheck %s
+; CHECK: and(r29, #-32)
+; CHECK-DAG: add(r29, #0)
+; CHECK-DAG: add(r29, #28)
+
+target triple = "hexagon-unknown-unknown"
+
+; Function Attrs: nounwind uwtable
+define void @foo() #0 {
+entry:
+ %x = alloca i32, align 4
+ %y = alloca i32, align 32
+ %0 = bitcast i32* %x to i8*
+ %1 = bitcast i32* %y to i8*
+ call void @bar(i8* %0, i8* %1)
+ ret void
+}
+
+declare void @bar(i8*, i8*) #0
+
+attributes #0 = { nounwind }
Added: llvm/trunk/test/CodeGen/Hexagon/stack-align2.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Hexagon/stack-align2.ll?rev=235602&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/Hexagon/stack-align2.ll (added)
+++ llvm/trunk/test/CodeGen/Hexagon/stack-align2.ll Thu Apr 23 10:12:49 2015
@@ -0,0 +1,27 @@
+; RUN: llc -O0 -march=hexagon < %s | FileCheck %s
+; CHECK: and(r29, #-128)
+; CHECK-DAG: add(r29, #0)
+; CHECK-DAG: add(r29, #64)
+; CHECK-DAG: add(r29, #96)
+; CHECK-DAG: add(r29, #124)
+
+target triple = "hexagon-unknown-unknown"
+
+; Function Attrs: nounwind uwtable
+define void @foo() #0 {
+entry:
+ %x = alloca i32, align 4
+ %y = alloca i32, align 32
+ %z = alloca i32, align 64
+ %w = alloca i32, align 128
+ %0 = bitcast i32* %x to i8*
+ %1 = bitcast i32* %y to i8*
+ %2 = bitcast i32* %z to i8*
+ %3 = bitcast i32* %w to i8*
+ call void @bar(i8* %0, i8* %1, i8* %2, i8* %3)
+ ret void
+}
+
+declare void @bar(i8*, i8*, i8*, i8*) #0
+
+attributes #0 = { nounwind }
Added: llvm/trunk/test/CodeGen/Hexagon/stack-alloca1.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Hexagon/stack-alloca1.ll?rev=235602&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/Hexagon/stack-alloca1.ll (added)
+++ llvm/trunk/test/CodeGen/Hexagon/stack-alloca1.ll Thu Apr 23 10:12:49 2015
@@ -0,0 +1,18 @@
+; RUN: llc -O0 -march=hexagon < %s | FileCheck %s
+; CHECK: sub(r29, r[[REG:[0-9]+]])
+; CHECK: r29 = r[[REG]]
+
+target triple = "hexagon-unknown-unknown"
+
+; Function Attrs: nounwind uwtable
+define void @foo(i32 %n) #0 {
+entry:
+ %x = alloca i32, i32 %n
+ %0 = bitcast i32* %x to i8*
+ call void @bar(i8* %0)
+ ret void
+}
+
+declare void @bar(i8*) #0
+
+attributes #0 = { nounwind }
Added: llvm/trunk/test/CodeGen/Hexagon/stack-alloca2.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Hexagon/stack-alloca2.ll?rev=235602&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/Hexagon/stack-alloca2.ll (added)
+++ llvm/trunk/test/CodeGen/Hexagon/stack-alloca2.ll Thu Apr 23 10:12:49 2015
@@ -0,0 +1,23 @@
+; RUN: llc -O0 -march=hexagon < %s | FileCheck %s
+; CHECK-DAG: r[[AP:[0-9]+]] = and(r30, #-32)
+; CHECK-DAG: r1 = add(r[[AP]], #-32)
+
+; CHECK-DAG: sub(r29, r[[SP:[0-9]+]])
+; CHECK-DAG: r29 = r[[SP]]
+
+target triple = "hexagon-unknown-unknown"
+
+; Function Attrs: nounwind uwtable
+define void @foo(i32 %n) #0 {
+entry:
+ %x = alloca i32, i32 %n
+ %y = alloca i32, align 32
+ %0 = bitcast i32* %x to i8*
+ %1 = bitcast i32* %y to i8*
+ call void @bar(i8* %0, i8* %1)
+ ret void
+}
+
+declare void @bar(i8*, i8* %y) #0
+
+attributes #0 = { nounwind }
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