diff options
author | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2015-04-23 15:12:49 +0000 |
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committer | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2015-04-23 15:12:49 +0000 |
commit | 69c69df308a17fd0ce8ec358023f1c917180a4bb (patch) | |
tree | 22372e43aa88fecbd1764cc0f37655744bdf7c15 | |
parent | b685acfe787e41d691358ffca3c9c66e15a132c2 (diff) |
[Hexagon] Add testcases for stack alignment and variable-sized objects
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235602 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | test/CodeGen/Hexagon/stack-align1.ll | 21 | ||||
-rw-r--r-- | test/CodeGen/Hexagon/stack-align2.ll | 27 | ||||
-rw-r--r-- | test/CodeGen/Hexagon/stack-alloca1.ll | 18 | ||||
-rw-r--r-- | test/CodeGen/Hexagon/stack-alloca2.ll | 23 |
4 files changed, 89 insertions, 0 deletions
diff --git a/test/CodeGen/Hexagon/stack-align1.ll b/test/CodeGen/Hexagon/stack-align1.ll new file mode 100644 index 0000000000..4efa70f598 --- /dev/null +++ b/test/CodeGen/Hexagon/stack-align1.ll @@ -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 } diff --git a/test/CodeGen/Hexagon/stack-align2.ll b/test/CodeGen/Hexagon/stack-align2.ll new file mode 100644 index 0000000000..1bbd578203 --- /dev/null +++ b/test/CodeGen/Hexagon/stack-align2.ll @@ -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 } diff --git a/test/CodeGen/Hexagon/stack-alloca1.ll b/test/CodeGen/Hexagon/stack-alloca1.ll new file mode 100644 index 0000000000..00e9e051ae --- /dev/null +++ b/test/CodeGen/Hexagon/stack-alloca1.ll @@ -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 } diff --git a/test/CodeGen/Hexagon/stack-alloca2.ll b/test/CodeGen/Hexagon/stack-alloca2.ll new file mode 100644 index 0000000000..ad5e13166a --- /dev/null +++ b/test/CodeGen/Hexagon/stack-alloca2.ll @@ -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 } |