[llvm] r309262 - [X86] Adding test cases for LEA factorization (PR32755 / D35014)
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Thu Jul 27 03:36:09 PDT 2017
Author: rksimon
Date: Thu Jul 27 03:36:09 2017
New Revision: 309262
URL: http://llvm.org/viewvc/llvm-project?rev=309262&view=rev
Log:
[X86] Adding test cases for LEA factorization (PR32755 / D35014)
Differential Revision: https://reviews.llvm.org/D35886
Added:
llvm/trunk/test/CodeGen/X86/lea-opt-cse1.ll
llvm/trunk/test/CodeGen/X86/lea-opt-cse2.ll
llvm/trunk/test/CodeGen/X86/lea-opt-cse3.ll
Added: llvm/trunk/test/CodeGen/X86/lea-opt-cse1.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/lea-opt-cse1.ll?rev=309262&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/lea-opt-cse1.ll (added)
+++ llvm/trunk/test/CodeGen/X86/lea-opt-cse1.ll Thu Jul 27 03:36:09 2017
@@ -0,0 +1,48 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s -check-prefix=X64
+; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s -check-prefix=X86
+
+%struct.SA = type { i32 , i32 , i32 , i32 ,i32 }
+
+define void @test_func(%struct.SA* nocapture %ctx, i32 %n) local_unnamed_addr {
+; X64-LABEL: test_func:
+; X64: # BB#0: # %entry
+; X64-NEXT: movl (%rdi), %eax
+; X64-NEXT: movl 16(%rdi), %ecx
+; X64-NEXT: leal (%rax,%rcx), %edx
+; X64-NEXT: leal 1(%rax,%rcx), %eax
+; X64-NEXT: movl %eax, 12(%rdi)
+; X64-NEXT: leal 1(%rcx,%rdx), %eax
+; X64-NEXT: movl %eax, 16(%rdi)
+; X64-NEXT: retq
+;
+; X86-LABEL: test_func:
+; X86: # BB#0: # %entry
+; X86-NEXT: pushl %esi
+; X86-NEXT: .Lcfi0:
+; X86-NEXT: .cfi_def_cfa_offset 8
+; X86-NEXT: .Lcfi1:
+; X86-NEXT: .cfi_offset %esi, -8
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl (%eax), %ecx
+; X86-NEXT: movl 16(%eax), %edx
+; X86-NEXT: leal 1(%ecx,%edx), %esi
+; X86-NEXT: addl %edx, %ecx
+; X86-NEXT: movl %esi, 12(%eax)
+; X86-NEXT: leal 1(%edx,%ecx), %ecx
+; X86-NEXT: movl %ecx, 16(%eax)
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ entry:
+ %h0 = getelementptr inbounds %struct.SA, %struct.SA* %ctx, i64 0, i32 0
+ %0 = load i32, i32* %h0, align 8
+ %h3 = getelementptr inbounds %struct.SA, %struct.SA* %ctx, i64 0, i32 3
+ %h4 = getelementptr inbounds %struct.SA, %struct.SA* %ctx, i64 0, i32 4
+ %1 = load i32, i32* %h4, align 8
+ %add = add i32 %0, 1
+ %add4 = add i32 %add, %1
+ store i32 %add4, i32* %h3, align 4
+ %add29 = add i32 %add4 , %1
+ store i32 %add29, i32* %h4, align 8
+ ret void
+}
Added: llvm/trunk/test/CodeGen/X86/lea-opt-cse2.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/lea-opt-cse2.ll?rev=309262&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/lea-opt-cse2.ll (added)
+++ llvm/trunk/test/CodeGen/X86/lea-opt-cse2.ll Thu Jul 27 03:36:09 2017
@@ -0,0 +1,76 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s -check-prefix=X64
+; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s -check-prefix=X86
+
+%struct.SA = type { i32 , i32 , i32 , i32 , i32};
+
+define void @foo(%struct.SA* nocapture %ctx, i32 %n) local_unnamed_addr #0 {
+; X64-LABEL: foo:
+; X64: # BB#0: # %entry
+; X64-NEXT: .p2align 4, 0x90
+; X64-NEXT: .LBB0_1: # %loop
+; X64-NEXT: # =>This Inner Loop Header: Depth=1
+; X64-NEXT: movl (%rdi), %eax
+; X64-NEXT: movl 16(%rdi), %ecx
+; X64-NEXT: leal 1(%rax,%rcx), %edx
+; X64-NEXT: movl %edx, 12(%rdi)
+; X64-NEXT: decl %esi
+; X64-NEXT: jne .LBB0_1
+; X64-NEXT: # BB#2: # %exit
+; X64-NEXT: addl %ecx, %eax
+; X64-NEXT: leal 1(%rcx,%rax), %eax
+; X64-NEXT: movl %eax, 16(%rdi)
+; X64-NEXT: retq
+;
+; X86-LABEL: foo:
+; X86: # BB#0: # %entry
+; X86-NEXT: pushl %edi
+; X86-NEXT: .Lcfi0:
+; X86-NEXT: .cfi_def_cfa_offset 8
+; X86-NEXT: pushl %esi
+; X86-NEXT: .Lcfi1:
+; X86-NEXT: .cfi_def_cfa_offset 12
+; X86-NEXT: .Lcfi2:
+; X86-NEXT: .cfi_offset %esi, -12
+; X86-NEXT: .Lcfi3:
+; X86-NEXT: .cfi_offset %edi, -8
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: .p2align 4, 0x90
+; X86-NEXT: .LBB0_1: # %loop
+; X86-NEXT: # =>This Inner Loop Header: Depth=1
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: movl 16(%eax), %esi
+; X86-NEXT: leal 1(%edx,%esi), %edi
+; X86-NEXT: movl %edi, 12(%eax)
+; X86-NEXT: decl %ecx
+; X86-NEXT: jne .LBB0_1
+; X86-NEXT: # BB#2: # %exit
+; X86-NEXT: addl %esi, %edx
+; X86-NEXT: leal 1(%esi,%edx), %ecx
+; X86-NEXT: movl %ecx, 16(%eax)
+; X86-NEXT: popl %esi
+; X86-NEXT: popl %edi
+; X86-NEXT: retl
+ entry:
+ br label %loop
+
+ loop:
+ %iter = phi i32 [%n ,%entry ] ,[ %iter.ctr ,%loop]
+ %h0 = getelementptr inbounds %struct.SA, %struct.SA* %ctx, i64 0, i32 0
+ %0 = load i32, i32* %h0, align 8
+ %h3 = getelementptr inbounds %struct.SA, %struct.SA* %ctx, i64 0, i32 3
+ %h4 = getelementptr inbounds %struct.SA, %struct.SA* %ctx, i64 0, i32 4
+ %1 = load i32, i32* %h4, align 8
+ %add = add i32 %0, 1
+ %add4 = add i32 %add, %1
+ store i32 %add4, i32* %h3, align 4
+ %add29 = add i32 %add4, %1
+ %iter.ctr = sub i32 %iter , 1
+ %res = icmp ne i32 %iter.ctr , 0
+ br i1 %res , label %loop , label %exit
+
+ exit:
+ store i32 %add29, i32* %h4, align 8
+ ret void
+}
Added: llvm/trunk/test/CodeGen/X86/lea-opt-cse3.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/lea-opt-cse3.ll?rev=309262&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/lea-opt-cse3.ll (added)
+++ llvm/trunk/test/CodeGen/X86/lea-opt-cse3.ll Thu Jul 27 03:36:09 2017
@@ -0,0 +1,32 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s -check-prefix=X64
+; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s -check-prefix=X86
+
+define i32 @foo(i32 %a, i32 %b) local_unnamed_addr #0 {
+; X64-LABEL: foo:
+; X64: # BB#0: # %entry
+; X64-NEXT: # kill: %ESI<def> %ESI<kill> %RSI<def>
+; X64-NEXT: # kill: %EDI<def> %EDI<kill> %RDI<def>
+; X64-NEXT: leal 4(%rdi,%rsi,2), %ecx
+; X64-NEXT: leal 4(%rdi,%rsi,4), %eax
+; X64-NEXT: imull %ecx, %eax
+; X64-NEXT: retq
+;
+; X86-LABEL: foo:
+; X86: # BB#0: # %entry
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: leal 4(%ecx,%eax,2), %edx
+; X86-NEXT: leal 4(%ecx,%eax,4), %eax
+; X86-NEXT: imull %edx, %eax
+; X86-NEXT: retl
+entry:
+ %mul = shl i32 %b, 1
+ %add = add i32 %a, 4
+ %add1 = add i32 %add, %mul
+ %mul2 = shl i32 %b, 2
+ %add4 = add i32 %add, %mul2
+ %mul5 = mul nsw i32 %add1, %add4
+ ret i32 %mul5
+}
+
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