[llvm] r357446 - [X86] Add test cases to fixup-lea.ll for optsize and no size optimization. Add +/-slow-incdec command lines
Craig Topper via llvm-commits
llvm-commits at lists.llvm.org
Mon Apr 1 17:54:22 PDT 2019
Author: ctopper
Date: Mon Apr 1 17:54:22 2019
New Revision: 357446
URL: http://llvm.org/viewvc/llvm-project?rev=357446&view=rev
Log:
[X86] Add test cases to fixup-lea.ll for optsize and no size optimization. Add +/-slow-incdec command lines
We only form inc/dec in FixupLEAs under minsize today, but all other locations in the compiler for inc/dec with optsize.
Modified:
llvm/trunk/test/CodeGen/X86/fixup-lea.ll
Modified: llvm/trunk/test/CodeGen/X86/fixup-lea.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/fixup-lea.ll?rev=357446&r1=357445&r2=357446&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/fixup-lea.ll (original)
+++ llvm/trunk/test/CodeGen/X86/fixup-lea.ll Mon Apr 1 17:54:22 2019
@@ -1,5 +1,6 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-;RUN: llc < %s -mtriple=i686-- | FileCheck %s
+;RUN: llc < %s -mtriple=i686-- -mattr=-slow-incdec | FileCheck %s -check-prefixes=CHECK,SLOW
+;RUN: llc < %s -mtriple=i686-- -mattr=+slow-incdec | FileCheck %s -check-prefixes=CHECK,FAST
define void @foo(i32 inreg %dns) minsize {
; CHECK-LABEL: foo:
@@ -44,6 +45,164 @@ define void @bar(i32 inreg %dns) minsize
entry:
br label %for.body
+for.body:
+ %i.05 = phi i16 [ %inc, %for.body ], [ 0, %entry ]
+ %inc = add i16 %i.05, 1
+ %conv = zext i16 %inc to i32
+ %cmp = icmp slt i32 %conv, %dns
+ br i1 %cmp, label %for.body, label %for.end
+for.end:
+ ret void
+}
+
+define void @foo_optsize(i32 inreg %dns) optsize {
+; SLOW-LABEL: foo_optsize:
+; SLOW: # %bb.0: # %entry
+; SLOW-NEXT: xorl %ecx, %ecx
+; SLOW-NEXT: decl %ecx
+; SLOW-NEXT: .LBB2_1: # %for.body
+; SLOW-NEXT: # =>This Inner Loop Header: Depth=1
+; SLOW-NEXT: movzwl %cx, %edx
+; SLOW-NEXT: decl %ecx
+; SLOW-NEXT: cmpl %eax, %edx
+; SLOW-NEXT: jl .LBB2_1
+; SLOW-NEXT: # %bb.2: # %for.end
+; SLOW-NEXT: retl
+;
+; FAST-LABEL: foo_optsize:
+; FAST: # %bb.0: # %entry
+; FAST-NEXT: xorl %ecx, %ecx
+; FAST-NEXT: decl %ecx
+; FAST-NEXT: .LBB2_1: # %for.body
+; FAST-NEXT: # =>This Inner Loop Header: Depth=1
+; FAST-NEXT: movzwl %cx, %edx
+; FAST-NEXT: leal -1(%ecx), %ecx
+; FAST-NEXT: cmpl %eax, %edx
+; FAST-NEXT: jl .LBB2_1
+; FAST-NEXT: # %bb.2: # %for.end
+; FAST-NEXT: retl
+entry:
+ br label %for.body
+
+for.body:
+ %i.05 = phi i16 [ %dec, %for.body ], [ 0, %entry ]
+ %dec = add i16 %i.05, -1
+ %conv = zext i16 %dec to i32
+ %cmp = icmp slt i32 %conv, %dns
+ br i1 %cmp, label %for.body, label %for.end
+
+for.end:
+ ret void
+}
+
+define void @bar_optsize(i32 inreg %dns) optsize {
+; SLOW-LABEL: bar_optsize:
+; SLOW: # %bb.0: # %entry
+; SLOW-NEXT: xorl %ecx, %ecx
+; SLOW-NEXT: incl %ecx
+; SLOW-NEXT: .LBB3_1: # %for.body
+; SLOW-NEXT: # =>This Inner Loop Header: Depth=1
+; SLOW-NEXT: movzwl %cx, %edx
+; SLOW-NEXT: incl %ecx
+; SLOW-NEXT: cmpl %eax, %edx
+; SLOW-NEXT: jl .LBB3_1
+; SLOW-NEXT: # %bb.2: # %for.end
+; SLOW-NEXT: retl
+;
+; FAST-LABEL: bar_optsize:
+; FAST: # %bb.0: # %entry
+; FAST-NEXT: xorl %ecx, %ecx
+; FAST-NEXT: incl %ecx
+; FAST-NEXT: .LBB3_1: # %for.body
+; FAST-NEXT: # =>This Inner Loop Header: Depth=1
+; FAST-NEXT: movzwl %cx, %edx
+; FAST-NEXT: leal 1(%ecx), %ecx
+; FAST-NEXT: cmpl %eax, %edx
+; FAST-NEXT: jl .LBB3_1
+; FAST-NEXT: # %bb.2: # %for.end
+; FAST-NEXT: retl
+entry:
+ br label %for.body
+
+for.body:
+ %i.05 = phi i16 [ %inc, %for.body ], [ 0, %entry ]
+ %inc = add i16 %i.05, 1
+ %conv = zext i16 %inc to i32
+ %cmp = icmp slt i32 %conv, %dns
+ br i1 %cmp, label %for.body, label %for.end
+for.end:
+ ret void
+}
+
+define void @foo_nosize(i32 inreg %dns) {
+; SLOW-LABEL: foo_nosize:
+; SLOW: # %bb.0: # %entry
+; SLOW-NEXT: movw $-1, %cx
+; SLOW-NEXT: .p2align 4, 0x90
+; SLOW-NEXT: .LBB4_1: # %for.body
+; SLOW-NEXT: # =>This Inner Loop Header: Depth=1
+; SLOW-NEXT: movzwl %cx, %edx
+; SLOW-NEXT: decl %ecx
+; SLOW-NEXT: cmpl %eax, %edx
+; SLOW-NEXT: jl .LBB4_1
+; SLOW-NEXT: # %bb.2: # %for.end
+; SLOW-NEXT: retl
+;
+; FAST-LABEL: foo_nosize:
+; FAST: # %bb.0: # %entry
+; FAST-NEXT: movw $-1, %cx
+; FAST-NEXT: .p2align 4, 0x90
+; FAST-NEXT: .LBB4_1: # %for.body
+; FAST-NEXT: # =>This Inner Loop Header: Depth=1
+; FAST-NEXT: movzwl %cx, %edx
+; FAST-NEXT: leal -1(%ecx), %ecx
+; FAST-NEXT: cmpl %eax, %edx
+; FAST-NEXT: jl .LBB4_1
+; FAST-NEXT: # %bb.2: # %for.end
+; FAST-NEXT: retl
+entry:
+ br label %for.body
+
+for.body:
+ %i.05 = phi i16 [ %dec, %for.body ], [ 0, %entry ]
+ %dec = add i16 %i.05, -1
+ %conv = zext i16 %dec to i32
+ %cmp = icmp slt i32 %conv, %dns
+ br i1 %cmp, label %for.body, label %for.end
+
+for.end:
+ ret void
+}
+
+define void @bar_nosize(i32 inreg %dns) {
+; SLOW-LABEL: bar_nosize:
+; SLOW: # %bb.0: # %entry
+; SLOW-NEXT: movw $1, %cx
+; SLOW-NEXT: .p2align 4, 0x90
+; SLOW-NEXT: .LBB5_1: # %for.body
+; SLOW-NEXT: # =>This Inner Loop Header: Depth=1
+; SLOW-NEXT: movzwl %cx, %edx
+; SLOW-NEXT: incl %ecx
+; SLOW-NEXT: cmpl %eax, %edx
+; SLOW-NEXT: jl .LBB5_1
+; SLOW-NEXT: # %bb.2: # %for.end
+; SLOW-NEXT: retl
+;
+; FAST-LABEL: bar_nosize:
+; FAST: # %bb.0: # %entry
+; FAST-NEXT: movw $1, %cx
+; FAST-NEXT: .p2align 4, 0x90
+; FAST-NEXT: .LBB5_1: # %for.body
+; FAST-NEXT: # =>This Inner Loop Header: Depth=1
+; FAST-NEXT: movzwl %cx, %edx
+; FAST-NEXT: leal 1(%ecx), %ecx
+; FAST-NEXT: cmpl %eax, %edx
+; FAST-NEXT: jl .LBB5_1
+; FAST-NEXT: # %bb.2: # %for.end
+; FAST-NEXT: retl
+entry:
+ br label %for.body
+
for.body:
%i.05 = phi i16 [ %inc, %for.body ], [ 0, %entry ]
%inc = add i16 %i.05, 1
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