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| author | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2016-09-22 17:22:43 +0000 |
|---|---|---|
| committer | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2016-09-22 17:22:43 +0000 |
| commit | b66efb855c14a50047bea913f2beed3bd46930c7 (patch) | |
| tree | ea293a3985b263be484048b7c4e18ef26256ca05 /llvm/test/CodeGen/PowerPC/stack-realign.ll | |
| parent | 0d4b6d5c9833f6c577865817649f5fa644ad5e73 (diff) | |
| download | bcm5719-llvm-b66efb855c14a50047bea913f2beed3bd46930c7.tar.gz bcm5719-llvm-b66efb855c14a50047bea913f2beed3bd46930c7.zip | |
[PPC] Set SP after loading data from stack frame, if no red zone is present
Follow-up to r280705: Make sure that the SP is only restored after all data
is loaded from the stack frame, if there is no red zone.
This completes the fix for https://llvm.org/bugs/show_bug.cgi?id=26519.
Differential Revision: https://reviews.llvm.org/D24466
llvm-svn: 282174
Diffstat (limited to 'llvm/test/CodeGen/PowerPC/stack-realign.ll')
| -rw-r--r-- | llvm/test/CodeGen/PowerPC/stack-realign.ll | 39 |
1 files changed, 26 insertions, 13 deletions
diff --git a/llvm/test/CodeGen/PowerPC/stack-realign.ll b/llvm/test/CodeGen/PowerPC/stack-realign.ll index 00cd61df7ed..d92f93b517f 100644 --- a/llvm/test/CodeGen/PowerPC/stack-realign.ll +++ b/llvm/test/CodeGen/PowerPC/stack-realign.ll @@ -83,18 +83,26 @@ entry: ; CHECK-32-DAG: subfic 0, [[REG]], -64 ; CHECK-32: stwux 1, 1, 0 ; CHECK-32: subf 0, 0, 1 -; CHECK-32: stw 30, -8(0) -; CHECK-32: mr 30, 0 +; CHECK-32: addic 0, 0, -4 +; CHECK-32: stwx 31, 0, 0 +; CHECK-32: addic 0, 0, -4 +; CHECK-32: stwx 30, 0, 0 +; CHECK-32: addic 30, 0, 8 ; CHECK-32-PIC-LABEL: @goo ; CHECK-32-PIC-DAG: mflr [[LR:[0-9]+]] ; CHECK-32-PIC-DAG: clrlwi [[REG:[0-9]+]], 1, 27 ; CHECK-32-PIC-DAG: stw [[LR]], 4(1) ; CHECK-32-PIC-DAG: subfic 0, [[REG]], -64 -; CHECK-32-PIC: stwux 1, 1, 0 -; CHECK-32-PIC: subf 0, 0, 1 -; CHECK-32-PIC: stw 29, -12(0) -; CHECK-32-PIC-DAG: mr 29, 0 +; CHECK-32-PIC: stwux 1, 1, 0 +; CHECK-32-PIC: subf 0, 0, 1 +; CHECK-32-PIC: addic 0, 0, -4 +; CHECK-32-PIC: stwx 31, 0, 0 +; CHECK-32-PIC: addic 0, 0, -4 +; CHECK-32-PIC: stwx 30, 0, 0 +; CHECK-32-PIC: addic 0, 0, -4 +; CHECK-32-PIC: stwx 29, 0, 0 +; CHECK-32-PIC: addic 29, 0, 12 ; The large-frame-size case. define void @hoo(%struct.s* byval nocapture readonly %a) { @@ -138,9 +146,11 @@ entry: ; CHECK-32-DAG: subfc 0, [[REG3]], [[REG2]] ; CHECK-32: stwux 1, 1, 0 ; CHECK-32: subf 0, 0, 1 -; CHECK-32-DAG: stw 31, -4(0) -; CHECK-32-DAG: stw 30, -8(0) -; CHECK-32: mr 30, 0 +; CHECK-32: addic 0, 0, -4 +; CHECK-32: stwx 31, 0, 0 +; CHECK-32: addic 0, 0, -4 +; CHECK-32: stwx 30, 0, 0 +; CHECK-32: addic 30, 0, 8 ; CHECK-32: blr @@ -152,10 +162,13 @@ entry: ; CHECK-32-PIC-DAG: ori [[REG2:[0-9]+]], [[REG1]], 51904 ; CHECK-32-PIC-DAG: stw 0, 4(1) ; CHECK-32-PIC-DAG: subfc 0, [[REG3]], [[REG2]] -; CHECK-32-PIC: stwux 1, 1, 0 -; CHECK-32-PIC: stw 29, -12(0) -; CHECK-32-PIC: subf 0, 0, 1 -; CHECK-32-PIC: mr 29, 0 +; CHECK-32-PIC: stwux 1, 1, 0 +; CHECK-32-PIC: subf 0, 0, 1 +; CHECK-32-PIC: addic 0, 0, -4 +; CHECK-32-PIC: stwx 31, 0, 0 +; CHECK-32-PIC: addic 0, 0, -8 +; CHECK-32-PIC: stwx 29, 0, 0 +; CHECK-32-PIC: addic 29, 0, 12 ; CHECK-32: blr |
