https://github.com/ecnelises updated
https://github.com/llvm/llvm-project/pull/94581
>From 4e078099d8e15fd984ef38435d6f792bbb3d754c Mon Sep 17 00:00:00 2001
From: Qiu Chaofan <qiuco...@cn.ibm.com>
Date: Thu, 6 Jun 2024 14:06:48 +0800
Subject: [PATCH 1/2] [PowerPC] Support -mno-red-zone option
---
clang/lib/Driver/ToolChains/Clang.cpp | 3 +++
clang/test/Driver/flags.c | 3 +++
2 files changed, 6 insertions(+)
diff --git a/clang/lib/Driver/ToolChains/Clang.cpp
b/clang/lib/Driver/ToolChains/Clang.cpp
index 4e1c52462e584..3a37c05c8b44b 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -2022,6 +2022,9 @@ void Clang::AddPPCTargetArgs(const ArgList &Args,
CmdArgs.push_back("-mabi=vec-extabi");
}
+ if (!Args.hasFlag(options::OPT_mred_zone, options::OPT_mno_red_zone, true))
+ CmdArgs.push_back("-disable-red-zone");
+
ppc::FloatABI FloatABI = ppc::getPPCFloatABI(D, Args);
if (FloatABI == ppc::FloatABI::Soft) {
// Floating point operations and argument passing are soft.
diff --git a/clang/test/Driver/flags.c b/clang/test/Driver/flags.c
index 16b760609c36d..7d2bef63fca3e 100644
--- a/clang/test/Driver/flags.c
+++ b/clang/test/Driver/flags.c
@@ -33,3 +33,6 @@
//
// RUN: %clang --target=riscv64 -### -S -mno-implicit-float %s 2>&1 |
FileCheck -check-prefix=TEST11 %s
// TEST11: "-no-implicit-float"
+//
+// RUN: %clang --target=ppc64le -### -S -mno-red-zone %s 2>&1 | FileCheck
-check-prefix=TEST12 %s
+// TEST12: "-disable-red-zone"
>From b8e076e175f42e07a329d2bee4878785f6145288 Mon Sep 17 00:00:00 2001
From: Qiu Chaofan <qiuco...@cn.ibm.com>
Date: Thu, 6 Jun 2024 18:02:58 +0800
Subject: [PATCH 2/2] Add noredzone LLC test
---
llvm/test/CodeGen/PowerPC/noredzone.ll | 513 +++++++++++++++++++++++++
1 file changed, 513 insertions(+)
create mode 100644 llvm/test/CodeGen/PowerPC/noredzone.ll
diff --git a/llvm/test/CodeGen/PowerPC/noredzone.ll
b/llvm/test/CodeGen/PowerPC/noredzone.ll
new file mode 100644
index 0000000000000..3bd1e0867ba11
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/noredzone.ll
@@ -0,0 +1,513 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
UTC_ARGS: --version 5
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-ibm-aix < %s | FileCheck
-check-prefix=AIX64
+; RUN: llc -verify-machineinstrs -mtriple=powerpc-ibm-aix < %s | FileCheck
-check-prefix=AIX32
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu < %s |
FileCheck -check-prefix=LE64
+
+define signext i32 @leaf1_noredzone(i32 signext %a, i32 signext %b) #0 {
+; AIX64-LABEL: leaf1_noredzone:
+; AIX64: # %bb.0: # %entry
+; AIX64-NEXT: stdu 1, -64(1)
+; AIX64-NEXT: stw 3, 60(1)
+; AIX64-NEXT: add 3, 3, 4
+; AIX64-NEXT: extsw 3, 3
+; AIX64-NEXT: stw 4, 56(1)
+; AIX64-NEXT: addi 1, 1, 64
+; AIX64-NEXT: blr
+;
+; AIX32-LABEL: leaf1_noredzone:
+; AIX32: # %bb.0: # %entry
+; AIX32-NEXT: stwu 1, -32(1)
+; AIX32-NEXT: stw 3, 28(1)
+; AIX32-NEXT: add 3, 3, 4
+; AIX32-NEXT: stw 4, 24(1)
+; AIX32-NEXT: addi 1, 1, 32
+; AIX32-NEXT: blr
+;
+; LE64-LABEL: leaf1_noredzone:
+; LE64: # %bb.0: # %entry
+; LE64-NEXT: stdu 1, -48(1)
+; LE64-NEXT: stw 3, 44(1)
+; LE64-NEXT: add 3, 3, 4
+; LE64-NEXT: stw 4, 40(1)
+; LE64-NEXT: extsw 3, 3
+; LE64-NEXT: addi 1, 1, 48
+; LE64-NEXT: blr
+entry:
+ %a.addr = alloca i32, align 4
+ %b.addr = alloca i32, align 4
+ store i32 %a, ptr %a.addr, align 4
+ store i32 %b, ptr %b.addr, align 4
+ %0 = load i32, ptr %a.addr, align 4
+ %1 = load i32, ptr %b.addr, align 4
+ %add = add nsw i32 %0, %1
+ ret i32 %add
+}
+
+define void @nonleaf1_noredzone(i32 signext %a, i32 signext %b) #0 {
+; AIX64-LABEL: nonleaf1_noredzone:
+; AIX64: # %bb.0: # %entry
+; AIX64-NEXT: mflr 0
+; AIX64-NEXT: stdu 1, -128(1)
+; AIX64-NEXT: std 0, 144(1)
+; AIX64-NEXT: stw 3, 124(1)
+; AIX64-NEXT: add 3, 3, 4
+; AIX64-NEXT: extsw 3, 3
+; AIX64-NEXT: stw 4, 120(1)
+; AIX64-NEXT: bl .leaf2[PR]
+; AIX64-NEXT: nop
+; AIX64-NEXT: lwz 3, 124(1)
+; AIX64-NEXT: lwz 4, 120(1)
+; AIX64-NEXT: sub 3, 3, 4
+; AIX64-NEXT: extsw 3, 3
+; AIX64-NEXT: bl .leaf2[PR]
+; AIX64-NEXT: nop
+; AIX64-NEXT: addi 1, 1, 128
+; AIX64-NEXT: ld 0, 16(1)
+; AIX64-NEXT: mtlr 0
+; AIX64-NEXT: blr
+;
+; AIX32-LABEL: nonleaf1_noredzone:
+; AIX32: # %bb.0: # %entry
+; AIX32-NEXT: mflr 0
+; AIX32-NEXT: stwu 1, -64(1)
+; AIX32-NEXT: stw 0, 72(1)
+; AIX32-NEXT: stw 3, 60(1)
+; AIX32-NEXT: add 3, 3, 4
+; AIX32-NEXT: stw 4, 56(1)
+; AIX32-NEXT: bl .leaf2[PR]
+; AIX32-NEXT: nop
+; AIX32-NEXT: lwz 3, 60(1)
+; AIX32-NEXT: lwz 4, 56(1)
+; AIX32-NEXT: sub 3, 3, 4
+; AIX32-NEXT: bl .leaf2[PR]
+; AIX32-NEXT: nop
+; AIX32-NEXT: addi 1, 1, 64
+; AIX32-NEXT: lwz 0, 8(1)
+; AIX32-NEXT: mtlr 0
+; AIX32-NEXT: blr
+;
+; LE64-LABEL: nonleaf1_noredzone:
+; LE64: # %bb.0: # %entry
+; LE64-NEXT: mflr 0
+; LE64-NEXT: stdu 1, -48(1)
+; LE64-NEXT: std 0, 64(1)
+; LE64-NEXT: stw 3, 44(1)
+; LE64-NEXT: add 3, 3, 4
+; LE64-NEXT: extsw 3, 3
+; LE64-NEXT: stw 4, 40(1)
+; LE64-NEXT: bl leaf2
+; LE64-NEXT: nop
+; LE64-NEXT: lwz 3, 44(1)
+; LE64-NEXT: lwz 4, 40(1)
+; LE64-NEXT: sub 3, 3, 4
+; LE64-NEXT: extsw 3, 3
+; LE64-NEXT: bl leaf2
+; LE64-NEXT: nop
+; LE64-NEXT: addi 1, 1, 48
+; LE64-NEXT: ld 0, 16(1)
+; LE64-NEXT: mtlr 0
+; LE64-NEXT: blr
+entry:
+ %a.addr = alloca i32, align 4
+ %b.addr = alloca i32, align 4
+ store i32 %a, ptr %a.addr, align 4
+ store i32 %b, ptr %b.addr, align 4
+ %0 = load i32, ptr %a.addr, align 4
+ %1 = load i32, ptr %b.addr, align 4
+ %add = add nsw i32 %0, %1
+ call void @leaf2(i32 signext %add)
+ %2 = load i32, ptr %a.addr, align 4
+ %3 = load i32, ptr %b.addr, align 4
+ %sub = sub nsw i32 %2, %3
+ call void @leaf2(i32 signext %sub)
+ ret void
+}
+
+declare void @leaf2(i32 signext)
+
+define signext i32 @leaf3_noredzone(i32 signext %a, i32 signext %b) #0 {
+; AIX64-LABEL: leaf3_noredzone:
+; AIX64: # %bb.0: # %entry
+; AIX64-NEXT: stdu 1, -48(1)
+; AIX64-NEXT: ld 6, 0(1)
+; AIX64-NEXT: mr 5, 3
+; AIX64-NEXT: add 3, 5, 4
+; AIX64-NEXT: extsw 3, 3
+; AIX64-NEXT: stw 5, 48(6)
+; AIX64-NEXT: stw 4, 52(6)
+; AIX64-NEXT: addi 1, 1, 48
+; AIX64-NEXT: blr
+;
+; AIX32-LABEL: leaf3_noredzone:
+; AIX32: # %bb.0: # %entry
+; AIX32-NEXT: stwu 1, -32(1)
+; AIX32-NEXT: lwz 6, 0(1)
+; AIX32-NEXT: mr 5, 3
+; AIX32-NEXT: add 3, 3, 4
+; AIX32-NEXT: stw 5, 24(6)
+; AIX32-NEXT: stw 4, 28(6)
+; AIX32-NEXT: addi 1, 1, 32
+; AIX32-NEXT: blr
+;
+; LE64-LABEL: leaf3_noredzone:
+; LE64: # %bb.0: # %entry
+; LE64-NEXT: stdu 1, -32(1)
+; LE64-NEXT: ld 5, 0(1)
+; LE64-NEXT: stw 3, 48(5)
+; LE64-NEXT: add 3, 3, 4
+; LE64-NEXT: stw 4, 52(5)
+; LE64-NEXT: extsw 3, 3
+; LE64-NEXT: addi 1, 1, 32
+; LE64-NEXT: blr
+entry:
+ %f.addr = call ptr @llvm.frameaddress(i32 1)
+ %a.addr = getelementptr ptr, ptr %f.addr, i32 6
+ %b.addr = getelementptr i32, ptr %a.addr, i32 1
+ store i32 %a, ptr %a.addr, align 4
+ store i32 %b, ptr %b.addr, align 4
+ %0 = load i32, ptr %a.addr, align 4
+ %1 = load i32, ptr %b.addr, align 4
+ %add = add nsw i32 %0, %1
+ ret i32 %add
+}
+
+define void @nonleaf2_noredzone(i32 signext %a, i32 signext %b) #0 {
+; AIX64-LABEL: nonleaf2_noredzone:
+; AIX64: # %bb.0: # %entry
+; AIX64-NEXT: mflr 0
+; AIX64-NEXT: stdu 1, -128(1)
+; AIX64-NEXT: std 0, 144(1)
+; AIX64-NEXT: std 31, 120(1) # 8-byte Folded Spill
+; AIX64-NEXT: add 5, 3, 4
+; AIX64-NEXT: ld 31, 0(1)
+; AIX64-NEXT: extsw 5, 5
+; AIX64-NEXT: stw 3, 48(31)
+; AIX64-NEXT: mr 3, 5
+; AIX64-NEXT: stw 4, 52(31)
+; AIX64-NEXT: bl .leaf2[PR]
+; AIX64-NEXT: nop
+; AIX64-NEXT: lwz 3, 48(31)
+; AIX64-NEXT: lwz 4, 52(31)
+; AIX64-NEXT: sub 3, 3, 4
+; AIX64-NEXT: extsw 3, 3
+; AIX64-NEXT: bl .leaf2[PR]
+; AIX64-NEXT: nop
+; AIX64-NEXT: ld 31, 120(1) # 8-byte Folded Reload
+; AIX64-NEXT: addi 1, 1, 128
+; AIX64-NEXT: ld 0, 16(1)
+; AIX64-NEXT: mtlr 0
+; AIX64-NEXT: blr
+;
+; AIX32-LABEL: nonleaf2_noredzone:
+; AIX32: # %bb.0: # %entry
+; AIX32-NEXT: mflr 0
+; AIX32-NEXT: stwu 1, -64(1)
+; AIX32-NEXT: stw 0, 72(1)
+; AIX32-NEXT: add 5, 3, 4
+; AIX32-NEXT: stw 31, 60(1) # 4-byte Folded Spill
+; AIX32-NEXT: lwz 31, 0(1)
+; AIX32-NEXT: stw 3, 24(31)
+; AIX32-NEXT: mr 3, 5
+; AIX32-NEXT: stw 4, 28(31)
+; AIX32-NEXT: bl .leaf2[PR]
+; AIX32-NEXT: nop
+; AIX32-NEXT: lwz 3, 24(31)
+; AIX32-NEXT: lwz 4, 28(31)
+; AIX32-NEXT: sub 3, 3, 4
+; AIX32-NEXT: bl .leaf2[PR]
+; AIX32-NEXT: nop
+; AIX32-NEXT: lwz 31, 60(1) # 4-byte Folded Reload
+; AIX32-NEXT: addi 1, 1, 64
+; AIX32-NEXT: lwz 0, 8(1)
+; AIX32-NEXT: mtlr 0
+; AIX32-NEXT: blr
+;
+; LE64-LABEL: nonleaf2_noredzone:
+; LE64: # %bb.0: # %entry
+; LE64-NEXT: mflr 0
+; LE64-NEXT: std 30, -16(1) # 8-byte Folded Spill
+; LE64-NEXT: stdu 1, -48(1)
+; LE64-NEXT: std 0, 64(1)
+; LE64-NEXT: ld 30, 0(1)
+; LE64-NEXT: stw 3, 48(30)
+; LE64-NEXT: add 3, 3, 4
+; LE64-NEXT: stw 4, 52(30)
+; LE64-NEXT: extsw 3, 3
+; LE64-NEXT: bl leaf2
+; LE64-NEXT: nop
+; LE64-NEXT: lwz 3, 48(30)
+; LE64-NEXT: lwz 4, 52(30)
+; LE64-NEXT: sub 3, 3, 4
+; LE64-NEXT: extsw 3, 3
+; LE64-NEXT: bl leaf2
+; LE64-NEXT: nop
+; LE64-NEXT: addi 1, 1, 48
+; LE64-NEXT: ld 0, 16(1)
+; LE64-NEXT: ld 30, -16(1) # 8-byte Folded Reload
+; LE64-NEXT: mtlr 0
+; LE64-NEXT: blr
+entry:
+ %f.addr = call ptr @llvm.frameaddress(i32 1)
+ %a.addr = getelementptr ptr, ptr %f.addr, i32 6
+ %b.addr = getelementptr i32, ptr %a.addr, i32 1
+ store i32 %a, ptr %a.addr, align 4
+ store i32 %b, ptr %b.addr, align 4
+ %0 = load i32, ptr %a.addr, align 4
+ %1 = load i32, ptr %b.addr, align 4
+ %add = add nsw i32 %0, %1
+ call void @leaf2(i32 signext %add)
+ %2 = load i32, ptr %a.addr, align 4
+ %3 = load i32, ptr %b.addr, align 4
+ %sub = sub nsw i32 %2, %3
+ call void @leaf2(i32 signext %sub)
+ ret void
+}
+
+define signext i32 @leaf1_redzone(i32 signext %a, i32 signext %b) #1 {
+; AIX64-LABEL: leaf1_redzone:
+; AIX64: # %bb.0: # %entry
+; AIX64-NEXT: stw 3, -4(1)
+; AIX64-NEXT: add 3, 3, 4
+; AIX64-NEXT: extsw 3, 3
+; AIX64-NEXT: stw 4, -8(1)
+; AIX64-NEXT: blr
+;
+; AIX32-LABEL: leaf1_redzone:
+; AIX32: # %bb.0: # %entry
+; AIX32-NEXT: stw 3, -4(1)
+; AIX32-NEXT: add 3, 3, 4
+; AIX32-NEXT: stw 4, -8(1)
+; AIX32-NEXT: blr
+;
+; LE64-LABEL: leaf1_redzone:
+; LE64: # %bb.0: # %entry
+; LE64-NEXT: stw 3, -4(1)
+; LE64-NEXT: add 3, 3, 4
+; LE64-NEXT: stw 4, -8(1)
+; LE64-NEXT: extsw 3, 3
+; LE64-NEXT: blr
+entry:
+ %a.addr = alloca i32, align 4
+ %b.addr = alloca i32, align 4
+ store i32 %a, ptr %a.addr, align 4
+ store i32 %b, ptr %b.addr, align 4
+ %0 = load i32, ptr %a.addr, align 4
+ %1 = load i32, ptr %b.addr, align 4
+ %add = add nsw i32 %0, %1
+ ret i32 %add
+}
+
+define void @nonleaf1_redzone(i32 signext %a, i32 signext %b) #1 {
+; AIX64-LABEL: nonleaf1_redzone:
+; AIX64: # %bb.0: # %entry
+; AIX64-NEXT: mflr 0
+; AIX64-NEXT: stdu 1, -128(1)
+; AIX64-NEXT: std 0, 144(1)
+; AIX64-NEXT: stw 3, 124(1)
+; AIX64-NEXT: add 3, 3, 4
+; AIX64-NEXT: extsw 3, 3
+; AIX64-NEXT: stw 4, 120(1)
+; AIX64-NEXT: bl .leaf2[PR]
+; AIX64-NEXT: nop
+; AIX64-NEXT: lwz 3, 124(1)
+; AIX64-NEXT: lwz 4, 120(1)
+; AIX64-NEXT: sub 3, 3, 4
+; AIX64-NEXT: extsw 3, 3
+; AIX64-NEXT: bl .leaf2[PR]
+; AIX64-NEXT: nop
+; AIX64-NEXT: addi 1, 1, 128
+; AIX64-NEXT: ld 0, 16(1)
+; AIX64-NEXT: mtlr 0
+; AIX64-NEXT: blr
+;
+; AIX32-LABEL: nonleaf1_redzone:
+; AIX32: # %bb.0: # %entry
+; AIX32-NEXT: mflr 0
+; AIX32-NEXT: stwu 1, -64(1)
+; AIX32-NEXT: stw 0, 72(1)
+; AIX32-NEXT: stw 3, 60(1)
+; AIX32-NEXT: add 3, 3, 4
+; AIX32-NEXT: stw 4, 56(1)
+; AIX32-NEXT: bl .leaf2[PR]
+; AIX32-NEXT: nop
+; AIX32-NEXT: lwz 3, 60(1)
+; AIX32-NEXT: lwz 4, 56(1)
+; AIX32-NEXT: sub 3, 3, 4
+; AIX32-NEXT: bl .leaf2[PR]
+; AIX32-NEXT: nop
+; AIX32-NEXT: addi 1, 1, 64
+; AIX32-NEXT: lwz 0, 8(1)
+; AIX32-NEXT: mtlr 0
+; AIX32-NEXT: blr
+;
+; LE64-LABEL: nonleaf1_redzone:
+; LE64: # %bb.0: # %entry
+; LE64-NEXT: mflr 0
+; LE64-NEXT: stdu 1, -48(1)
+; LE64-NEXT: std 0, 64(1)
+; LE64-NEXT: stw 3, 44(1)
+; LE64-NEXT: add 3, 3, 4
+; LE64-NEXT: extsw 3, 3
+; LE64-NEXT: stw 4, 40(1)
+; LE64-NEXT: bl leaf2
+; LE64-NEXT: nop
+; LE64-NEXT: lwz 3, 44(1)
+; LE64-NEXT: lwz 4, 40(1)
+; LE64-NEXT: sub 3, 3, 4
+; LE64-NEXT: extsw 3, 3
+; LE64-NEXT: bl leaf2
+; LE64-NEXT: nop
+; LE64-NEXT: addi 1, 1, 48
+; LE64-NEXT: ld 0, 16(1)
+; LE64-NEXT: mtlr 0
+; LE64-NEXT: blr
+entry:
+ %a.addr = alloca i32, align 4
+ %b.addr = alloca i32, align 4
+ store i32 %a, ptr %a.addr, align 4
+ store i32 %b, ptr %b.addr, align 4
+ %0 = load i32, ptr %a.addr, align 4
+ %1 = load i32, ptr %b.addr, align 4
+ %add = add nsw i32 %0, %1
+ call void @leaf2(i32 signext %add)
+ %2 = load i32, ptr %a.addr, align 4
+ %3 = load i32, ptr %b.addr, align 4
+ %sub = sub nsw i32 %2, %3
+ call void @leaf2(i32 signext %sub)
+ ret void
+}
+
+define signext i32 @leaf3_redzone(i32 signext %a, i32 signext %b) #1 {
+; AIX64-LABEL: leaf3_redzone:
+; AIX64: # %bb.0: # %entry
+; AIX64-NEXT: ld 6, 0(1)
+; AIX64-NEXT: mr 5, 3
+; AIX64-NEXT: add 3, 5, 4
+; AIX64-NEXT: extsw 3, 3
+; AIX64-NEXT: stw 5, 48(6)
+; AIX64-NEXT: stw 4, 52(6)
+; AIX64-NEXT: blr
+;
+; AIX32-LABEL: leaf3_redzone:
+; AIX32: # %bb.0: # %entry
+; AIX32-NEXT: lwz 6, 0(1)
+; AIX32-NEXT: mr 5, 3
+; AIX32-NEXT: add 3, 3, 4
+; AIX32-NEXT: stw 5, 24(6)
+; AIX32-NEXT: stw 4, 28(6)
+; AIX32-NEXT: blr
+;
+; LE64-LABEL: leaf3_redzone:
+; LE64: # %bb.0: # %entry
+; LE64-NEXT: ld 5, 0(1)
+; LE64-NEXT: stw 3, 48(5)
+; LE64-NEXT: add 3, 3, 4
+; LE64-NEXT: stw 4, 52(5)
+; LE64-NEXT: extsw 3, 3
+; LE64-NEXT: blr
+entry:
+ %f.addr = call ptr @llvm.frameaddress(i32 1)
+ %a.addr = getelementptr ptr, ptr %f.addr, i32 6
+ %b.addr = getelementptr i32, ptr %a.addr, i32 1
+ store i32 %a, ptr %a.addr, align 4
+ store i32 %b, ptr %b.addr, align 4
+ %0 = load i32, ptr %a.addr, align 4
+ %1 = load i32, ptr %b.addr, align 4
+ %add = add nsw i32 %0, %1
+ ret i32 %add
+}
+
+define void @nonleaf2_redzone(i32 signext %a, i32 signext %b) #1 {
+; AIX64-LABEL: nonleaf2_redzone:
+; AIX64: # %bb.0: # %entry
+; AIX64-NEXT: mflr 0
+; AIX64-NEXT: stdu 1, -128(1)
+; AIX64-NEXT: std 0, 144(1)
+; AIX64-NEXT: std 31, 120(1) # 8-byte Folded Spill
+; AIX64-NEXT: add 5, 3, 4
+; AIX64-NEXT: ld 31, 0(1)
+; AIX64-NEXT: extsw 5, 5
+; AIX64-NEXT: stw 3, 48(31)
+; AIX64-NEXT: mr 3, 5
+; AIX64-NEXT: stw 4, 52(31)
+; AIX64-NEXT: bl .leaf2[PR]
+; AIX64-NEXT: nop
+; AIX64-NEXT: lwz 3, 48(31)
+; AIX64-NEXT: lwz 4, 52(31)
+; AIX64-NEXT: sub 3, 3, 4
+; AIX64-NEXT: extsw 3, 3
+; AIX64-NEXT: bl .leaf2[PR]
+; AIX64-NEXT: nop
+; AIX64-NEXT: ld 31, 120(1) # 8-byte Folded Reload
+; AIX64-NEXT: addi 1, 1, 128
+; AIX64-NEXT: ld 0, 16(1)
+; AIX64-NEXT: mtlr 0
+; AIX64-NEXT: blr
+;
+; AIX32-LABEL: nonleaf2_redzone:
+; AIX32: # %bb.0: # %entry
+; AIX32-NEXT: mflr 0
+; AIX32-NEXT: stwu 1, -64(1)
+; AIX32-NEXT: stw 0, 72(1)
+; AIX32-NEXT: add 5, 3, 4
+; AIX32-NEXT: stw 31, 60(1) # 4-byte Folded Spill
+; AIX32-NEXT: lwz 31, 0(1)
+; AIX32-NEXT: stw 3, 24(31)
+; AIX32-NEXT: mr 3, 5
+; AIX32-NEXT: stw 4, 28(31)
+; AIX32-NEXT: bl .leaf2[PR]
+; AIX32-NEXT: nop
+; AIX32-NEXT: lwz 3, 24(31)
+; AIX32-NEXT: lwz 4, 28(31)
+; AIX32-NEXT: sub 3, 3, 4
+; AIX32-NEXT: bl .leaf2[PR]
+; AIX32-NEXT: nop
+; AIX32-NEXT: lwz 31, 60(1) # 4-byte Folded Reload
+; AIX32-NEXT: addi 1, 1, 64
+; AIX32-NEXT: lwz 0, 8(1)
+; AIX32-NEXT: mtlr 0
+; AIX32-NEXT: blr
+;
+; LE64-LABEL: nonleaf2_redzone:
+; LE64: # %bb.0: # %entry
+; LE64-NEXT: mflr 0
+; LE64-NEXT: std 30, -16(1) # 8-byte Folded Spill
+; LE64-NEXT: stdu 1, -48(1)
+; LE64-NEXT: std 0, 64(1)
+; LE64-NEXT: ld 30, 0(1)
+; LE64-NEXT: stw 3, 48(30)
+; LE64-NEXT: add 3, 3, 4
+; LE64-NEXT: stw 4, 52(30)
+; LE64-NEXT: extsw 3, 3
+; LE64-NEXT: bl leaf2
+; LE64-NEXT: nop
+; LE64-NEXT: lwz 3, 48(30)
+; LE64-NEXT: lwz 4, 52(30)
+; LE64-NEXT: sub 3, 3, 4
+; LE64-NEXT: extsw 3, 3
+; LE64-NEXT: bl leaf2
+; LE64-NEXT: nop
+; LE64-NEXT: addi 1, 1, 48
+; LE64-NEXT: ld 0, 16(1)
+; LE64-NEXT: ld 30, -16(1) # 8-byte Folded Reload
+; LE64-NEXT: mtlr 0
+; LE64-NEXT: blr
+entry:
+ %f.addr = call ptr @llvm.frameaddress(i32 1)
+ %a.addr = getelementptr ptr, ptr %f.addr, i32 6
+ %b.addr = getelementptr i32, ptr %a.addr, i32 1
+ store i32 %a, ptr %a.addr, align 4
+ store i32 %b, ptr %b.addr, align 4
+ %0 = load i32, ptr %a.addr, align 4
+ %1 = load i32, ptr %b.addr, align 4
+ %add = add nsw i32 %0, %1
+ call void @leaf2(i32 signext %add)
+ %2 = load i32, ptr %a.addr, align 4
+ %3 = load i32, ptr %b.addr, align 4
+ %sub = sub nsw i32 %2, %3
+ call void @leaf2(i32 signext %sub)
+ ret void
+}
+
+attributes #0 = { noredzone nounwind noinline }
+attributes #1 = { nounwind noinline }
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