diff options
author | Tim Shen <timshen91@gmail.com> | 2017-03-07 07:40:10 +0000 |
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committer | Tim Shen <timshen91@gmail.com> | 2017-03-07 07:40:10 +0000 |
commit | 107e5edeba2db2d9639d49409b790ba98168c98c (patch) | |
tree | b806c8d84ca2874cb5c96aef3c7f7a85d0d2eb26 /test/CodeGen/PowerPC/stacksize.ll | |
parent | cb24f8cc5c993a01f57b8beb8935315c7980d7a3 (diff) |
Revert "[PowerPC][ELFv2ABI] Allocate parameter area on-demand to reduce stack frame size"
This reverts commit r296771.
We found some wide spread test failures internally. I'm working on a
testcase. Politely revert the patch in the mean time. :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@297124 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/PowerPC/stacksize.ll')
-rw-r--r-- | test/CodeGen/PowerPC/stacksize.ll | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/test/CodeGen/PowerPC/stacksize.ll b/test/CodeGen/PowerPC/stacksize.ll deleted file mode 100644 index 947aaa0fa49..00000000000 --- a/test/CodeGen/PowerPC/stacksize.ll +++ /dev/null @@ -1,86 +0,0 @@ -; For ELFv2 ABI, we can avoid allocating the parameter area in the stack frame of the caller function -; if all the arguments can be passed to the callee in registers. -; For ELFv1 ABI, we always need to allocate the parameter area. - -; Tests for ELFv2 ABI -; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -target-abi elfv2 < %s | FileCheck %s -check-prefix=PPC64-ELFV2 -; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -target-abi elfv2 < %s | FileCheck %s -check-prefix=PPC64-ELFV2 - -; Tests for ELFv1 ABI -; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -target-abi elfv1 < %s | FileCheck %s -check-prefix=PPC64-ELFV1 -; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -target-abi elfv1 < %s | FileCheck %s -check-prefix=PPC64-ELFV1 - -; If the callee has at most eight integer args, parameter area can be ommited for ELFv2 ABI. - -; PPC64-ELFV2-LABEL: WithoutParamArea1: -; PPC64-ELFV2-NOT: stw {{[0-9]+}}, -{{[0-9]+}}(1) -; PPC64-ELFV2: stdu 1, -32(1) -; PPC64-ELFV2: addi 1, 1, 32 -; PPC64-ELFV2-NOT: lwz {{[0-9]+}}, -{{[0-9]+}}(1) -; PPC64-ELFV1-LABEL: WithoutParamArea1: -; PPC64-ELFV1-NOT: stw {{[0-9]+}}, -{{[0-9]+}}(1) -; PPC64-ELFV1: stdu 1, -112(1) -; PPC64-ELFV1: addi 1, 1, 112 -; PPC64-ELFV1-NOT: lwz {{[0-9]+}}, -{{[0-9]+}}(1) -define signext i32 @WithoutParamArea1(i32 signext %a) local_unnamed_addr #0 { -entry: - %call = tail call signext i32 @onearg(i32 signext %a) #2 - ret i32 %call -} - -; PPC64-ELFV2-LABEL: WithoutParamArea2: -; PPC64-ELFV2-NOT: stw {{[0-9]+}}, -{{[0-9]+}}(1) -; PPC64-ELFV2: stdu 1, -32(1) -; PPC64-ELFV2: addi 1, 1, 32 -; PPC64-ELFV2-NOT: lwz {{[0-9]+}}, -{{[0-9]+}}(1) -; PPC64-ELFV1-LABEL: WithoutParamArea2: -; PPC64-ELFV1-NOT: stw {{[0-9]+}}, -{{[0-9]+}}(1) -; PPC64-ELFV1: stdu 1, -112(1) -; PPC64-ELFV1: addi 1, 1, 112 -; PPC64-ELFV1-NOT: lwz {{[0-9]+}}, -{{[0-9]+}}(1) -define signext i32 @WithoutParamArea2(i32 signext %a) local_unnamed_addr #0 { -entry: - %call = tail call signext i32 @eightargs(i32 signext %a, i32 signext %a, i32 signext %a, i32 signext %a, i32 signext %a, i32 signext %a, i32 signext %a, i32 signext %a) #2 - ret i32 %call -} - -; If the callee has more than eight integer args or variable number of args, -; parameter area cannot be ommited even for ELFv2 ABI - -; PPC64-ELFV2-LABEL: WithParamArea1: -; PPC64-ELFV2-NOT: stw {{[0-9]+}}, -{{[0-9]+}}(1) -; PPC64-ELFV2: stdu 1, -96(1) -; PPC64-ELFV2: addi 1, 1, 96 -; PPC64-ELFV2-NOT: lwz {{[0-9]+}}, -{{[0-9]+}}(1) -; PPC64-ELFV1-LABEL: WithParamArea1: -; PPC64-ELFV1-NOT: stw {{[0-9]+}}, -{{[0-9]+}}(1) -; PPC64-ELFV1: stdu 1, -112(1) -; PPC64-ELFV1: addi 1, 1, 112 -; PPC64-ELFV1-NOT: lwz {{[0-9]+}}, -{{[0-9]+}}(1) -define signext i32 @WithParamArea1(i32 signext %a) local_unnamed_addr #0 { -entry: - %call = tail call signext i32 (i32, ...) @varargs(i32 signext %a, i32 signext %a) #2 - ret i32 %call -} - -; PPC64-ELFV2-LABEL: WithParamArea2: -; PPC64-ELFV2-NOT: stw {{[0-9]+}}, -{{[0-9]+}}(1) -; PPC64-ELFV2: stdu 1, -112(1) -; PPC64-ELFV2: addi 1, 1, 112 -; PPC64-ELFV2-NOT: lwz {{[0-9]+}}, -{{[0-9]+}}(1) -; PPC64-ELFV1-LABEL: WithParamArea2: -; PPC64-ELFV1-NOT: stw {{[0-9]+}}, -{{[0-9]+}}(1) -; PPC64-ELFV1: stdu 1, -128(1) -; PPC64-ELFV1: addi 1, 1, 128 -; PPC64-ELFV1-NOT: lwz {{[0-9]+}}, -{{[0-9]+}}(1) -define signext i32 @WithParamArea2(i32 signext %a) local_unnamed_addr #0 { -entry: - %call = tail call signext i32 @nineargs(i32 signext %a, i32 signext %a, i32 signext %a, i32 signext %a, i32 signext %a, i32 signext %a, i32 signext %a, i32 signext %a, i32 signext %a) #2 - ret i32 %call -} - -declare signext i32 @onearg(i32 signext) local_unnamed_addr #1 -declare signext i32 @eightargs(i32 signext, i32 signext, i32 signext, i32 signext, i32 signext, i32 signext, i32 signext, i32 signext) local_unnamed_addr #1 -declare signext i32 @nineargs(i32 signext, i32 signext, i32 signext, i32 signext, i32 signext, i32 signext, i32 signext, i32 signext, i32 signext) local_unnamed_addr #1 -declare signext i32 @varargs(i32 signext, ...) local_unnamed_addr #1 - |