diff options
Diffstat (limited to 'test/CodeGen/PowerPC/stack-realign.ll')
-rw-r--r-- | test/CodeGen/PowerPC/stack-realign.ll | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/test/CodeGen/PowerPC/stack-realign.ll b/test/CodeGen/PowerPC/stack-realign.ll index 1c7a36a..a59fceb 100644 --- a/test/CodeGen/PowerPC/stack-realign.ll +++ b/test/CodeGen/PowerPC/stack-realign.ll @@ -1,5 +1,7 @@ ; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 < %s | FileCheck %s ; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -disable-fp-elim < %s | FileCheck -check-prefix=CHECK-FP %s +; RUN: llc -mtriple=powerpc-unknown-linux-gnu -disable-fp-elim < %s | FileCheck -check-prefix=CHECK-32 %s +; RUN: llc -mtriple=powerpc-unknown-linux-gnu -disable-fp-elim -relocation-model=pic < %s | FileCheck -check-prefix=CHECK-32-PIC %s target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64" target triple = "powerpc64-unknown-linux-gnu" @@ -7,6 +9,8 @@ target triple = "powerpc64-unknown-linux-gnu" declare void @bar(i32*) +@barbaz = external global i32 + define void @goo(%struct.s* byval nocapture readonly %a) { entry: %x = alloca [2 x i32], align 32 @@ -16,8 +20,9 @@ entry: store i32 %0, i32* %arrayidx, align 32 %b = getelementptr inbounds %struct.s* %a, i64 0, i32 1 %1 = load i32* %b, align 4 + %2 = load i32* @barbaz, align 4 %arrayidx2 = getelementptr inbounds [2 x i32]* %x, i64 0, i64 1 - store i32 %1, i32* %arrayidx2, align 4 + store i32 %2, i32* %arrayidx2, align 4 call void @bar(i32* %arrayidx) ret void } @@ -69,6 +74,24 @@ entry: ; CHECK-FP-DAG: mtlr 0 ; CHECK-FP: blr +; CHECK-32-LABEL: @goo +; CHECK-32-DAG: mflr 0 +; CHECK-32-DAG: rlwinm [[REG:[0-9]+]], 1, 0, 27, 31 +; CHECK-32-DAG: stw 30, -8(1) +; CHECK-32-DAG: mr 30, 1 +; CHECK-32-DAG: stw 0, 4(1) +; CHECK-32-DAG: subfic 0, [[REG]], -64 +; CHECK-32: stwux 1, 1, 0 + +; CHECK-32-PIC-LABEL: @goo +; CHECK-32-PIC-DAG: mflr 0 +; CHECK-32-PIC-DAG: rlwinm [[REG:[0-9]+]], 1, 0, 27, 31 +; CHECK-32-PIC-DAG: stw 29, -12(1) +; CHECK-32-PIC-DAG: mr 29, 1 +; CHECK-32-PIC-DAG: stw 0, 4(1) +; CHECK-32-PIC-DAG: subfic 0, [[REG]], -64 +; CHECK-32-PIC: stwux 1, 1, 0 + ; The large-frame-size case. define void @hoo(%struct.s* byval nocapture readonly %a) { entry: @@ -99,6 +122,34 @@ entry: ; CHECK: blr +; CHECK-32-LABEL: @hoo + +; CHECK-32-DAG: lis [[REG1:[0-9]+]], -13 +; CHECK-32-DAG: rlwinm [[REG3:[0-9]+]], 1, 0, 27, 31 +; CHECK-32-DAG: mflr 0 +; CHECK-32-DAG: ori [[REG2:[0-9]+]], [[REG1]], 51904 +; CHECK-32-DAG: stw 30, -8(1) +; CHECK-32-DAG: mr 30, 1 +; CHECK-32-DAG: stw 0, 4(1) +; CHECK-32-DAG: subfc 0, [[REG3]], [[REG2]] +; CHECK-32: stwux 1, 1, 0 + +; CHECK-32: blr + +; CHECK-32-PIC-LABEL: @hoo + +; CHECK-32-PIC-DAG: lis [[REG1:[0-9]+]], -13 +; CHECK-32-PIC-DAG: rlwinm [[REG3:[0-9]+]], 1, 0, 27, 31 +; CHECK-32-PIC-DAG: mflr 0 +; CHECK-32-PIC-DAG: ori [[REG2:[0-9]+]], [[REG1]], 51904 +; CHECK-32-PIC-DAG: stw 29, -12(1) +; CHECK-32-PIC-DAG: mr 29, 1 +; CHECK-32-PIC-DAG: stw 0, 4(1) +; CHECK-32-PIC-DAG: subfc 0, [[REG3]], [[REG2]] +; CHECK-32: stwux 1, 1, 0 + +; CHECK-32: blr + ; Make sure that the FP save area is still allocated correctly relative to ; where r30 is saved. define void @loo(%struct.s* byval nocapture readonly %a) { |