[llvm] r325277 - [X86] Add test cases for opportunities for using BT instead of TEST under optsize.
Craig Topper via llvm-commits
llvm-commits at lists.llvm.org
Thu Feb 15 11:00:11 PST 2018
Author: ctopper
Date: Thu Feb 15 11:00:11 2018
New Revision: 325277
URL: http://llvm.org/viewvc/llvm-project?rev=325277&view=rev
Log:
[X86] Add test cases for opportunities for using BT instead of TEST under optsize.
Added:
llvm/trunk/test/CodeGen/X86/test-vs-bittest.ll
Added: llvm/trunk/test/CodeGen/X86/test-vs-bittest.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/test-vs-bittest.ll?rev=325277&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/test-vs-bittest.ll (added)
+++ llvm/trunk/test/CodeGen/X86/test-vs-bittest.ll Thu Feb 15 11:00:11 2018
@@ -0,0 +1,372 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
+
+define void @test64(i64 inreg %x) {
+; CHECK-LABEL: test64:
+; CHECK: # %bb.0:
+; CHECK-NEXT: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: btl $11, %edi
+; CHECK-NEXT: jb .LBB0_2
+; CHECK-NEXT: # %bb.1: # %yes
+; CHECK-NEXT: callq bar
+; CHECK-NEXT: .LBB0_2: # %no
+; CHECK-NEXT: popq %rax
+; CHECK-NEXT: retq
+ %t = and i64 %x, 2048
+ %s = icmp eq i64 %t, 0
+ br i1 %s, label %yes, label %no
+
+yes:
+ call void @bar()
+ ret void
+no:
+ ret void
+}
+
+define void @test64_optsize(i64 inreg %x) optsize {
+; CHECK-LABEL: test64_optsize:
+; CHECK: # %bb.0:
+; CHECK-NEXT: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: btl $11, %edi
+; CHECK-NEXT: jb .LBB1_2
+; CHECK-NEXT: # %bb.1: # %yes
+; CHECK-NEXT: callq bar
+; CHECK-NEXT: .LBB1_2: # %no
+; CHECK-NEXT: popq %rax
+; CHECK-NEXT: retq
+ %t = and i64 %x, 2048
+ %s = icmp eq i64 %t, 0
+ br i1 %s, label %yes, label %no
+
+yes:
+ call void @bar()
+ ret void
+no:
+ ret void
+}
+
+define void @test64_2(i64 inreg %x) {
+; CHECK-LABEL: test64_2:
+; CHECK: # %bb.0:
+; CHECK-NEXT: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: testl $2048, %edi # imm = 0x800
+; CHECK-NEXT: je .LBB2_2
+; CHECK-NEXT: # %bb.1: # %yes
+; CHECK-NEXT: callq bar
+; CHECK-NEXT: .LBB2_2: # %no
+; CHECK-NEXT: popq %rax
+; CHECK-NEXT: retq
+ %t = and i64 %x, 2048
+ %s = icmp eq i64 %t, 0
+ br i1 %s, label %no, label %yes
+
+yes:
+ call void @bar()
+ ret void
+no:
+ ret void
+}
+
+define void @test64_optsize_2(i64 inreg %x) optsize {
+; CHECK-LABEL: test64_optsize_2:
+; CHECK: # %bb.0:
+; CHECK-NEXT: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: testl $2048, %edi # imm = 0x800
+; CHECK-NEXT: je .LBB3_2
+; CHECK-NEXT: # %bb.1: # %yes
+; CHECK-NEXT: callq bar
+; CHECK-NEXT: .LBB3_2: # %no
+; CHECK-NEXT: popq %rax
+; CHECK-NEXT: retq
+ %t = and i64 %x, 2048
+ %s = icmp eq i64 %t, 0
+ br i1 %s, label %no, label %yes
+
+yes:
+ call void @bar()
+ ret void
+no:
+ ret void
+}
+
+define void @test64_3(i64 inreg %x) {
+; CHECK-LABEL: test64_3:
+; CHECK: # %bb.0:
+; CHECK-NEXT: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: btq $32, %rdi
+; CHECK-NEXT: jb .LBB4_2
+; CHECK-NEXT: # %bb.1: # %yes
+; CHECK-NEXT: callq bar
+; CHECK-NEXT: .LBB4_2: # %no
+; CHECK-NEXT: popq %rax
+; CHECK-NEXT: retq
+ %t = and i64 %x, 4294967296
+ %s = icmp eq i64 %t, 0
+ br i1 %s, label %yes, label %no
+
+yes:
+ call void @bar()
+ ret void
+no:
+ ret void
+}
+
+define void @test64_optsize_3(i64 inreg %x) optsize {
+; CHECK-LABEL: test64_optsize_3:
+; CHECK: # %bb.0:
+; CHECK-NEXT: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: btq $32, %rdi
+; CHECK-NEXT: jb .LBB5_2
+; CHECK-NEXT: # %bb.1: # %yes
+; CHECK-NEXT: callq bar
+; CHECK-NEXT: .LBB5_2: # %no
+; CHECK-NEXT: popq %rax
+; CHECK-NEXT: retq
+ %t = and i64 %x, 4294967296
+ %s = icmp eq i64 %t, 0
+ br i1 %s, label %yes, label %no
+
+yes:
+ call void @bar()
+ ret void
+no:
+ ret void
+}
+
+define void @test64_4(i64 inreg %x) {
+; CHECK-LABEL: test64_4:
+; CHECK: # %bb.0:
+; CHECK-NEXT: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: btq $32, %rdi
+; CHECK-NEXT: jae .LBB6_2
+; CHECK-NEXT: # %bb.1: # %yes
+; CHECK-NEXT: callq bar
+; CHECK-NEXT: .LBB6_2: # %no
+; CHECK-NEXT: popq %rax
+; CHECK-NEXT: retq
+ %t = and i64 %x, 4294967296
+ %s = icmp eq i64 %t, 0
+ br i1 %s, label %no, label %yes
+
+yes:
+ call void @bar()
+ ret void
+no:
+ ret void
+}
+
+define void @test64_optsize_4(i64 inreg %x) optsize {
+; CHECK-LABEL: test64_optsize_4:
+; CHECK: # %bb.0:
+; CHECK-NEXT: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: btq $32, %rdi
+; CHECK-NEXT: jae .LBB7_2
+; CHECK-NEXT: # %bb.1: # %yes
+; CHECK-NEXT: callq bar
+; CHECK-NEXT: .LBB7_2: # %no
+; CHECK-NEXT: popq %rax
+; CHECK-NEXT: retq
+ %t = and i64 %x, 4294967296
+ %s = icmp eq i64 %t, 0
+ br i1 %s, label %no, label %yes
+
+yes:
+ call void @bar()
+ ret void
+no:
+ ret void
+}
+
+define void @test32(i32 inreg %x) {
+; CHECK-LABEL: test32:
+; CHECK: # %bb.0:
+; CHECK-NEXT: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: btl $11, %edi
+; CHECK-NEXT: jb .LBB8_2
+; CHECK-NEXT: # %bb.1: # %yes
+; CHECK-NEXT: callq bar
+; CHECK-NEXT: .LBB8_2: # %no
+; CHECK-NEXT: popq %rax
+; CHECK-NEXT: retq
+ %t = and i32 %x, 2048
+ %s = icmp eq i32 %t, 0
+ br i1 %s, label %yes, label %no
+
+yes:
+ call void @bar()
+ ret void
+no:
+ ret void
+}
+
+define void @test32_optsize(i32 inreg %x) optsize {
+; CHECK-LABEL: test32_optsize:
+; CHECK: # %bb.0:
+; CHECK-NEXT: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: btl $11, %edi
+; CHECK-NEXT: jb .LBB9_2
+; CHECK-NEXT: # %bb.1: # %yes
+; CHECK-NEXT: callq bar
+; CHECK-NEXT: .LBB9_2: # %no
+; CHECK-NEXT: popq %rax
+; CHECK-NEXT: retq
+ %t = and i32 %x, 2048
+ %s = icmp eq i32 %t, 0
+ br i1 %s, label %yes, label %no
+
+yes:
+ call void @bar()
+ ret void
+no:
+ ret void
+}
+
+define void @test32_2(i32 inreg %x) {
+; CHECK-LABEL: test32_2:
+; CHECK: # %bb.0:
+; CHECK-NEXT: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: testl $2048, %edi # imm = 0x800
+; CHECK-NEXT: je .LBB10_2
+; CHECK-NEXT: # %bb.1: # %yes
+; CHECK-NEXT: callq bar
+; CHECK-NEXT: .LBB10_2: # %no
+; CHECK-NEXT: popq %rax
+; CHECK-NEXT: retq
+ %t = and i32 %x, 2048
+ %s = icmp eq i32 %t, 0
+ br i1 %s, label %no, label %yes
+
+yes:
+ call void @bar()
+ ret void
+no:
+ ret void
+}
+
+define void @test32_optsize_2(i32 inreg %x) optsize {
+; CHECK-LABEL: test32_optsize_2:
+; CHECK: # %bb.0:
+; CHECK-NEXT: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: testl $2048, %edi # imm = 0x800
+; CHECK-NEXT: je .LBB11_2
+; CHECK-NEXT: # %bb.1: # %yes
+; CHECK-NEXT: callq bar
+; CHECK-NEXT: .LBB11_2: # %no
+; CHECK-NEXT: popq %rax
+; CHECK-NEXT: retq
+ %t = and i32 %x, 2048
+ %s = icmp eq i32 %t, 0
+ br i1 %s, label %no, label %yes
+
+yes:
+ call void @bar()
+ ret void
+no:
+ ret void
+}
+
+define void @test16(i16 inreg %x) {
+; CHECK-LABEL: test16:
+; CHECK: # %bb.0:
+; CHECK-NEXT: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: btl $11, %edi
+; CHECK-NEXT: jb .LBB12_2
+; CHECK-NEXT: # %bb.1: # %yes
+; CHECK-NEXT: callq bar
+; CHECK-NEXT: .LBB12_2: # %no
+; CHECK-NEXT: popq %rax
+; CHECK-NEXT: retq
+ %t = and i16 %x, 2048
+ %s = icmp eq i16 %t, 0
+ br i1 %s, label %yes, label %no
+
+yes:
+ call void @bar()
+ ret void
+no:
+ ret void
+}
+
+define void @test16_optsize(i16 inreg %x) optsize {
+; CHECK-LABEL: test16_optsize:
+; CHECK: # %bb.0:
+; CHECK-NEXT: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: btl $11, %edi
+; CHECK-NEXT: jb .LBB13_2
+; CHECK-NEXT: # %bb.1: # %yes
+; CHECK-NEXT: callq bar
+; CHECK-NEXT: .LBB13_2: # %no
+; CHECK-NEXT: popq %rax
+; CHECK-NEXT: retq
+ %t = and i16 %x, 2048
+ %s = icmp eq i16 %t, 0
+ br i1 %s, label %yes, label %no
+
+yes:
+ call void @bar()
+ ret void
+no:
+ ret void
+}
+
+define void @test16_2(i16 inreg %x) {
+; CHECK-LABEL: test16_2:
+; CHECK: # %bb.0:
+; CHECK-NEXT: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: testl $2048, %edi # imm = 0x800
+; CHECK-NEXT: je .LBB14_2
+; CHECK-NEXT: # %bb.1: # %yes
+; CHECK-NEXT: callq bar
+; CHECK-NEXT: .LBB14_2: # %no
+; CHECK-NEXT: popq %rax
+; CHECK-NEXT: retq
+ %t = and i16 %x, 2048
+ %s = icmp eq i16 %t, 0
+ br i1 %s, label %no, label %yes
+
+yes:
+ call void @bar()
+ ret void
+no:
+ ret void
+}
+
+define void @test16_optsize_2(i16 inreg %x) optsize {
+; CHECK-LABEL: test16_optsize_2:
+; CHECK: # %bb.0:
+; CHECK-NEXT: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: testl $2048, %edi # imm = 0x800
+; CHECK-NEXT: je .LBB15_2
+; CHECK-NEXT: # %bb.1: # %yes
+; CHECK-NEXT: callq bar
+; CHECK-NEXT: .LBB15_2: # %no
+; CHECK-NEXT: popq %rax
+; CHECK-NEXT: retq
+ %t = and i16 %x, 2048
+ %s = icmp eq i16 %t, 0
+ br i1 %s, label %no, label %yes
+
+yes:
+ call void @bar()
+ ret void
+no:
+ ret void
+}
+
+declare void @bar()
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