From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Sat, 11 Jun 2016 22:40:01 +0000 (+0000)
Subject: [X86][BMI] Improved bmi intrinsics checks
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=06e4edb0aec3143102f699ec0085e34a85fec746;p=clang

[X86][BMI] Improved bmi intrinsics checks

Ready for matching with llvm/test/CodeGen/X86/bmi-intrinsics-fast-isel.ll (to be added shortly)

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@272490 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/CodeGen/bmi-builtins.c b/test/CodeGen/bmi-builtins.c
index 92332e3a12..aac491d1a5 100644
--- a/test/CodeGen/bmi-builtins.c
+++ b/test/CodeGen/bmi-builtins.c
@@ -1,164 +1,209 @@
-// RUN: %clang_cc1 %s -O3 -triple=x86_64-apple-darwin -target-feature +bmi -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin -target-feature +bmi -emit-llvm -o - -Werror | FileCheck %s
 
 // Don't include mm_malloc.h, it's system specific.
 #define __MM_MALLOC_H
 
 #include <x86intrin.h>
 
-// The double underscore intrinsics are for compatibility with 
+// NOTE: This should match the tests in llvm/test/CodeGen/X86/bmi-intrinsics-fast-isel.ll
+
+// The double underscore intrinsics are for compatibility with
 // AMD's BMI interface. The single underscore intrinsics
 // are for compatibility with Intel's BMI interface.
 // Apart from the underscores, the interfaces are identical
-// except in one case: although the 'bextr' register-form 
-// instruction is identical in hardware, the AMD and Intel 
-// intrinsics are different! 
+// except in one case: although the 'bextr' register-form
+// instruction is identical in hardware, the AMD and Intel
+// intrinsics are different!
 
 unsigned short test__tzcnt_u16(unsigned short __X) {
-  // CHECK: @llvm.cttz.i16
+  // CHECK-LABEL: test__tzcnt_u16
+  // CHECK: zext i16 %{{.*}} to i32
+  // CHECK: icmp ne i32 %{{.*}}, 0
+  // CHECK: i16 @llvm.cttz.i16(i16 %{{.*}}, i1 true)
   return __tzcnt_u16(__X);
 }
 
 unsigned int test__andn_u32(unsigned int __X, unsigned int __Y) {
-  // CHECK: [[DEST:%.*]] = xor i32 %{{.*}}, -1
-  // CHECK-NEXT: %{{.*}} = and i32 %{{.*}}, [[DEST]]
+  // CHECK-LABEL: test__andn_u32
+  // CHECK: xor i32 %{{.*}}, -1
+  // CHECK: and i32 %{{.*}}, %{{.*}}
   return __andn_u32(__X, __Y);
 }
 
 unsigned int test__bextr_u32(unsigned int __X, unsigned int __Y) {
-  // CHECK: @llvm.x86.bmi.bextr.32
+  // CHECK-LABEL: test__bextr_u32
+  // CHECK: i32 @llvm.x86.bmi.bextr.32(i32 %{{.*}}, i32 %{{.*}})
   return __bextr_u32(__X, __Y);
 }
 
 unsigned int test__blsi_u32(unsigned int __X) {
-  // CHECK: [[DEST:%.*]] = sub i32 0, [[SRC:%.*]]
-  // CHECK-NEXT: %{{.*}} = and i32 [[SRC]], [[DEST]]
+  // CHECK-LABEL: test__blsi_u32
+  // CHECK: sub i32 0, %{{.*}}
+  // CHECK: and i32 %{{.*}}, %{{.*}}
   return __blsi_u32(__X);
 }
 
 unsigned int test__blsmsk_u32(unsigned int __X) {
-  // CHECK: [[DEST:%.*]] = add i32 [[SRC:%.*]], -1
-  // CHECK-NEXT: %{{.*}} = xor i32 [[DEST]], [[SRC]]
+  // CHECK-LABEL: test__blsmsk_u32
+  // CHECK: sub i32 %{{.*}}, 1
+  // CHECK: xor i32 %{{.*}}, %{{.*}}
   return __blsmsk_u32(__X);
 }
 
 unsigned int test__blsr_u32(unsigned int __X) {
-  // CHECK: [[DEST:%.*]] = add i32 [[SRC:%.*]], -1
-  // CHECK-NEXT: %{{.*}} = and i32 [[DEST]], [[SRC]]
+  // CHECK-LABEL: test__blsr_u32
+  // CHECK: sub i32 %{{.*}}, 1
+  // CHECK: and i32 %{{.*}}, %{{.*}}
   return __blsr_u32(__X);
 }
 
 unsigned int test__tzcnt_u32(unsigned int __X) {
-  // CHECK: @llvm.cttz.i32
+  // CHECK-LABEL: test__tzcnt_u32
+  // CHECK: icmp ne i32 %{{.*}}, 0
+  // CHECK: i32 @llvm.cttz.i32(i32 %{{.*}}, i1 true)
   return __tzcnt_u32(__X);
 }
 
 unsigned long long test__andn_u64(unsigned long __X, unsigned long __Y) {
-  // CHECK: [[DEST:%.*]] = xor i64 %{{.*}}, -1
-  // CHECK-NEXT: %{{.*}} = and i64 %{{.*}}, [[DEST]]
+  // CHECK-LABEL: test__andn_u64
+  // CHECK: xor i64 %{{.*}}, -1
+  // CHECK: and i64 %{{.*}}, %{{.*}}
   return __andn_u64(__X, __Y);
 }
 
 unsigned long long test__bextr_u64(unsigned long __X, unsigned long __Y) {
-  // CHECK: @llvm.x86.bmi.bextr.64
+  // CHECK-LABEL: test__bextr_u64
+  // CHECK: i64 @llvm.x86.bmi.bextr.64(i64 %{{.*}}, i64 %{{.*}})
   return __bextr_u64(__X, __Y);
 }
 
 unsigned long long test__blsi_u64(unsigned long long __X) {
-  // CHECK: [[DEST:%.*]] = sub i64 0, [[SRC:%.*]]
-  // CHECK-NEXT: %{{.*}} = and i64 [[SRC]], [[DEST]]
+  // CHECK-LABEL: test__blsi_u64
+  // CHECK: sub i64 0, %{{.*}}
+  // CHECK: and i64 %{{.*}}, %{{.*}}
   return __blsi_u64(__X);
 }
 
 unsigned long long test__blsmsk_u64(unsigned long long __X) {
-  // CHECK: [[DEST:%.*]] = add i64 [[SRC:%.*]], -1
-  // CHECK-NEXT: %{{.*}} = xor i64 [[DEST]], [[SRC]]
+  // CHECK-LABEL: test__blsmsk_u64
+  // CHECK: sub i64 %{{.*}}, 1
+  // CHECK: xor i64 %{{.*}}, %{{.*}}
   return __blsmsk_u64(__X);
 }
 
 unsigned long long test__blsr_u64(unsigned long long __X) {
-  // CHECK: [[DEST:%.*]] = add i64 [[SRC:%.*]], -1
-  // CHECK-NEXT: %{{.*}} = and i64 [[DEST]], [[SRC]]
+  // CHECK-LABEL: test__blsr_u64
+  // CHECK: sub i64 %{{.*}}, 1
+  // CHECK: and i64 %{{.*}}, %{{.*}}
   return __blsr_u64(__X);
 }
 
 unsigned long long test__tzcnt_u64(unsigned long long __X) {
-  // CHECK: @llvm.cttz.i64
+  // CHECK-LABEL: test__tzcnt_u64
+  // CHECK: icmp ne i64 %{{.*}}, 0
+  // CHECK: i64 @llvm.cttz.i64(i64 %{{.*}}, i1 true)
   return __tzcnt_u64(__X);
 }
 
 // Intel intrinsics
 
 unsigned short test_tzcnt_u16(unsigned short __X) {
-  // CHECK: @llvm.cttz.i16
+  // CHECK-LABEL: test_tzcnt_u16
+  // CHECK: zext i16 %{{.*}} to i32
+  // CHECK: icmp ne i32 %{{.*}}, 0
+  // CHECK: i16 @llvm.cttz.i16(i16 %{{.*}}, i1 true)
   return _tzcnt_u16(__X);
 }
 
 unsigned int test_andn_u32(unsigned int __X, unsigned int __Y) {
-  // CHECK: [[DEST:%.*]] = xor i32 %{{.*}}, -1
-  // CHECK-NEXT: %{{.*}} = and i32 %{{.*}}, [[DEST]]
+  // CHECK-LABEL: test_andn_u32
+  // CHECK: xor i32 %{{.*}}, -1
+  // CHECK: and i32 %{{.*}}, %{{.*}}
   return _andn_u32(__X, __Y);
 }
 
-unsigned int test_bextr_u32(unsigned int __X, unsigned int __Y, 
+unsigned int test_bextr_u32(unsigned int __X, unsigned int __Y,
                             unsigned int __Z) {
-  // CHECK: @llvm.x86.bmi.bextr.32
+  // CHECK-LABEL: test_bextr_u32
+  // CHECK: and i32 %{{.*}}, 255
+  // CHECK: and i32 %{{.*}}, 255
+  // CHECK: shl i32 %{{.*}}, 8
+  // CHECK: or i32 %{{.*}}, %{{.*}}
+  // CHECK: i32 @llvm.x86.bmi.bextr.32(i32 %{{.*}}, i32 %{{.*}})
   return _bextr_u32(__X, __Y, __Z);
 }
 
 unsigned int test_blsi_u32(unsigned int __X) {
-  // CHECK: [[DEST:%.*]] = sub i32 0, [[SRC:%.*]]
-  // CHECK-NEXT: %{{.*}} = and i32 [[SRC]], [[DEST]]
+  // CHECK-LABEL: test_blsi_u32
+  // CHECK: sub i32 0, %{{.*}}
+  // CHECK: and i32 %{{.*}}, %{{.*}}
   return _blsi_u32(__X);
 }
 
 unsigned int test_blsmsk_u32(unsigned int __X) {
-  // CHECK: [[DEST:%.*]] = add i32 [[SRC:%.*]], -1
-  // CHECK-NEXT: %{{.*}} = xor i32 [[DEST]], [[SRC]]
+  // CHECK-LABEL: test_blsmsk_u32
+  // CHECK: sub i32 %{{.*}}, 1
+  // CHECK: xor i32 %{{.*}}, %{{.*}}
   return _blsmsk_u32(__X);
 }
 
 unsigned int test_blsr_u32(unsigned int __X) {
-  // CHECK: [[DEST:%.*]] = add i32 [[SRC:%.*]], -1
-  // CHECK-NEXT: %{{.*}} = and i32 [[DEST]], [[SRC]]
+  // CHECK-LABEL: test_blsr_u32
+  // CHECK: sub i32 %{{.*}}, 1
+  // CHECK: and i32 %{{.*}}, %{{.*}}
   return _blsr_u32(__X);
 }
 
 unsigned int test_tzcnt_u32(unsigned int __X) {
-  // CHECK: @llvm.cttz.i32
+  // CHECK-LABEL: test_tzcnt_u32
+  // CHECK: icmp ne i32 %{{.*}}, 0
+  // CHECK: i32 @llvm.cttz.i32(i32 %{{.*}}, i1 true)
   return _tzcnt_u32(__X);
 }
 
 unsigned long long test_andn_u64(unsigned long __X, unsigned long __Y) {
-  // CHECK: [[DEST:%.*]] = xor i64 %{{.*}}, -1
-  // CHECK-NEXT: %{{.*}} = and i64 %{{.*}}, [[DEST]]
+  // CHECK-LABEL: test_andn_u64
+  // CHECK: xor i64 %{{.*}}, -1
+  // CHECK: and i64 %{{.*}}, %{{.*}}
   return _andn_u64(__X, __Y);
 }
 
-unsigned long long test_bextr_u64(unsigned long __X, unsigned int __Y, 
+unsigned long long test_bextr_u64(unsigned long __X, unsigned int __Y,
                                   unsigned int __Z) {
-  // CHECK: @llvm.x86.bmi.bextr.64
+  // CHECK-LABEL: test_bextr_u64
+  // CHECK: and i32 %{{.*}}, 255
+  // CHECK: and i32 %{{.*}}, 255
+  // CHECK: shl i32 %{{.*}}, 8
+  // CHECK: or i32 %{{.*}}, %{{.*}}
+  // CHECK: zext i32 %{{.*}} to i64
+  // CHECK: i64 @llvm.x86.bmi.bextr.64(i64 %{{.*}}, i64 %{{.*}})
   return _bextr_u64(__X, __Y, __Z);
 }
 
 unsigned long long test_blsi_u64(unsigned long long __X) {
-  // CHECK: [[DEST:%.*]] = sub i64 0, [[SRC:%.*]]
-  // CHECK-NEXT: %{{.*}} = and i64 [[SRC]], [[DEST]]
+  // CHECK-LABEL: test_blsi_u64
+  // CHECK: sub i64 0, %{{.*}}
+  // CHECK: and i64 %{{.*}}, %{{.*}}
   return _blsi_u64(__X);
 }
 
 unsigned long long test_blsmsk_u64(unsigned long long __X) {
-  // CHECK: [[DEST:%.*]] = add i64 [[SRC:%.*]], -1
-  // CHECK-NEXT: %{{.*}} = xor i64 [[DEST]], [[SRC]]
+  // CHECK-LABEL: test_blsmsk_u64
+  // CHECK: sub i64 %{{.*}}, 1
+  // CHECK: xor i64 %{{.*}}, %{{.*}}
   return _blsmsk_u64(__X);
 }
 
 unsigned long long test_blsr_u64(unsigned long long __X) {
-  // CHECK: [[DEST:%.*]] = add i64 [[SRC:%.*]], -1
-  // CHECK-NEXT: %{{.*}} = and i64 [[DEST]], [[SRC]]
+  // CHECK-LABEL: test_blsr_u64
+  // CHECK: sub i64 %{{.*}}, 1
+  // CHECK: and i64 %{{.*}}, %{{.*}}
   return _blsr_u64(__X);
 }
 
 unsigned long long test_tzcnt_u64(unsigned long long __X) {
-  // CHECK: @llvm.cttz.i64
+  // CHECK-LABEL: test_tzcnt_u64
+  // CHECK: icmp ne i64 %{{.*}}, 0
+  // CHECK: i64 @llvm.cttz.i64(i64 %{{.*}}, i1 true)
   return _tzcnt_u64(__X);
 }