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[AMDGPU] Run always inliner early in opt 

Differential Revision: https://reviews.llvm.org/D31141

llvm-svn: 298281
This commit is contained in:
Konstantin Zhuravlyov 2017-03-20 18:06:45 +00:00
parent fa42a23cfc
commit 2534bc07f4
3 changed files with 34 additions and 0 deletions
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1
llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
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@ -252,6 +252,7 @@ void AMDGPUTargetMachine::adjustPassManager(PassManagerBuilder &Builder) {
return !GV.use_empty();
}));
PM.add(createGlobalDCEPass());
PM.add(createAMDGPUAlwaysInlinePass());
}
});
}

12
llvm/test/CodeGen/AMDGPU/early-inline-alias.ll Normal file
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@ -0,0 +1,12 @@
; RUN: opt -mtriple=amdgcn-- -O1 -S -inline-threshold=1 %s | FileCheck %s
; CHECK: @add1alias = alias i32 (i32), i32 (i32)* @add1
; CHECK: @add1alias2 = alias i32 (i32), i32 (i32)* @add1
@add1alias = alias i32 (i32), i32 (i32)* @add1
@add1alias2 = alias i32 (i32), i32 (i32)* @add1
define i32 @add1(i32) {
%2 = add nsw i32 %0, 1
ret i32 %2
}

21
llvm/test/CodeGen/AMDGPU/early-inline.ll Normal file
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@ -0,0 +1,21 @@
; RUN: opt -mtriple=amdgcn-- -O1 -S -inline-threshold=1 -amdgpu-internalize-symbols %s | FileCheck %s
define i32 @callee(i32 %x) {
entry:
%mul1 = mul i32 %x, %x
%mul2 = mul i32 %mul1, %x
%mul3 = mul i32 %mul1, %mul2
%mul4 = mul i32 %mul3, %mul2
%mul5 = mul i32 %mul4, %mul3
ret i32 %mul5
}
; CHECK-LABEL: @caller
; CHECK: mul i32
; CHECK-NOT: call i32
define amdgpu_kernel i32 @caller(i32 %x) {
entry:
%res = call i32 @callee(i32 %x)
ret i32 %res
}