From 026cdd9de14ecca3b71712ca15e90a29142b7f45 Mon Sep 17 00:00:00 2001 From: Sanjay Patel Date: Fri, 24 Mar 2017 22:09:48 +0000 Subject: [PATCH] [x86] add 32-bit RUN for better memcmp coverage; NFC git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298744 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/X86/memcmp.ll | 346 ++++++++++++++++++++++++++----------- 1 file changed, 244 insertions(+), 102 deletions(-) diff --git a/test/CodeGen/X86/memcmp.ll b/test/CodeGen/X86/memcmp.ll index 40b39854183..307dd81f764 100644 --- a/test/CodeGen/X86/memcmp.ll +++ b/test/CodeGen/X86/memcmp.ll @@ -1,5 +1,6 @@ ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py -; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s +; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefix=X32 +; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64 ; This tests codegen time inlining/optimization of memcmp ; rdar://6480398 @@ -9,179 +10,320 @@ declare i32 @memcmp(i8*, i8*, i64) define i1 @length2(i8* %X, i8* %Y, i32* nocapture %P) nounwind { -; CHECK-LABEL: length2: -; CHECK: # BB#0: -; CHECK-NEXT: movzwl (%rdi), %eax -; CHECK-NEXT: cmpw (%rsi), %ax -; CHECK-NEXT: sete %al -; CHECK-NEXT: retq +; X32-LABEL: length2: +; X32: # BB#0: +; X32-NEXT: movl {{[0-9]+}}(%esp), %eax +; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X32-NEXT: movzwl (%ecx), %ecx +; X32-NEXT: cmpw (%eax), %cx +; X32-NEXT: sete %al +; X32-NEXT: retl +; +; X64-LABEL: length2: +; X64: # BB#0: +; X64-NEXT: movzwl (%rdi), %eax +; X64-NEXT: cmpw (%rsi), %ax +; X64-NEXT: sete %al +; X64-NEXT: retq %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 2) nounwind %c = icmp eq i32 %m, 0 ret i1 %c } define i1 @length2_const(i8* %X, i32* nocapture %P) nounwind { -; CHECK-LABEL: length2_const: -; CHECK: # BB#0: -; CHECK-NEXT: movzwl (%rdi), %eax -; CHECK-NEXT: cmpl $12849, %eax # imm = 0x3231 -; CHECK-NEXT: setne %al -; CHECK-NEXT: retq +; X32-LABEL: length2_const: +; X32: # BB#0: +; X32-NEXT: movl {{[0-9]+}}(%esp), %eax +; X32-NEXT: movzwl (%eax), %eax +; X32-NEXT: cmpl $12849, %eax # imm = 0x3231 +; X32-NEXT: setne %al +; X32-NEXT: retl +; +; X64-LABEL: length2_const: +; X64: # BB#0: +; X64-NEXT: movzwl (%rdi), %eax +; X64-NEXT: cmpl $12849, %eax # imm = 0x3231 +; X64-NEXT: setne %al +; X64-NEXT: retq %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 1), i64 2) nounwind %c = icmp ne i32 %m, 0 ret i1 %c } define i1 @length2_nobuiltin_attr(i8* %X, i8* %Y, i32* nocapture %P) nounwind { -; CHECK-LABEL: length2_nobuiltin_attr: -; CHECK: # BB#0: -; CHECK-NEXT: pushq %rax -; CHECK-NEXT: movl $2, %edx -; CHECK-NEXT: callq memcmp -; CHECK-NEXT: testl %eax, %eax -; CHECK-NEXT: sete %al -; CHECK-NEXT: popq %rcx -; CHECK-NEXT: retq +; X32-LABEL: length2_nobuiltin_attr: +; X32: # BB#0: +; X32-NEXT: pushl $0 +; X32-NEXT: pushl $2 +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: calll memcmp +; X32-NEXT: addl $16, %esp +; X32-NEXT: testl %eax, %eax +; X32-NEXT: sete %al +; X32-NEXT: retl +; +; X64-LABEL: length2_nobuiltin_attr: +; X64: # BB#0: +; X64-NEXT: pushq %rax +; X64-NEXT: movl $2, %edx +; X64-NEXT: callq memcmp +; X64-NEXT: testl %eax, %eax +; X64-NEXT: sete %al +; X64-NEXT: popq %rcx +; X64-NEXT: retq %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 2) nounwind nobuiltin %c = icmp eq i32 %m, 0 ret i1 %c } define i1 @length4(i8* %X, i8* %Y, i32* nocapture %P) nounwind { -; CHECK-LABEL: length4: -; CHECK: # BB#0: -; CHECK-NEXT: movl (%rdi), %eax -; CHECK-NEXT: cmpl (%rsi), %eax -; CHECK-NEXT: setne %al -; CHECK-NEXT: retq +; X32-LABEL: length4: +; X32: # BB#0: +; X32-NEXT: movl {{[0-9]+}}(%esp), %eax +; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X32-NEXT: movl (%ecx), %ecx +; X32-NEXT: cmpl (%eax), %ecx +; X32-NEXT: setne %al +; X32-NEXT: retl +; +; X64-LABEL: length4: +; X64: # BB#0: +; X64-NEXT: movl (%rdi), %eax +; X64-NEXT: cmpl (%rsi), %eax +; X64-NEXT: setne %al +; X64-NEXT: retq %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 4) nounwind %c = icmp ne i32 %m, 0 ret i1 %c } define i1 @length4_const(i8* %X, i32* nocapture %P) nounwind { -; CHECK-LABEL: length4_const: -; CHECK: # BB#0: -; CHECK-NEXT: cmpl $875770417, (%rdi) # imm = 0x34333231 -; CHECK-NEXT: sete %al -; CHECK-NEXT: retq +; X32-LABEL: length4_const: +; X32: # BB#0: +; X32-NEXT: movl {{[0-9]+}}(%esp), %eax +; X32-NEXT: cmpl $875770417, (%eax) # imm = 0x34333231 +; X32-NEXT: sete %al +; X32-NEXT: retl +; +; X64-LABEL: length4_const: +; X64: # BB#0: +; X64-NEXT: cmpl $875770417, (%rdi) # imm = 0x34333231 +; X64-NEXT: sete %al +; X64-NEXT: retq %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 1), i64 4) nounwind %c = icmp eq i32 %m, 0 ret i1 %c } define i1 @length8(i8* %X, i8* %Y, i32* nocapture %P) nounwind { -; CHECK-LABEL: length8: -; CHECK: # BB#0: -; CHECK-NEXT: movq (%rdi), %rax -; CHECK-NEXT: cmpq (%rsi), %rax -; CHECK-NEXT: sete %al -; CHECK-NEXT: retq +; X32-LABEL: length8: +; X32: # BB#0: +; X32-NEXT: pushl $0 +; X32-NEXT: pushl $8 +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: calll memcmp +; X32-NEXT: addl $16, %esp +; X32-NEXT: testl %eax, %eax +; X32-NEXT: sete %al +; X32-NEXT: retl +; +; X64-LABEL: length8: +; X64: # BB#0: +; X64-NEXT: movq (%rdi), %rax +; X64-NEXT: cmpq (%rsi), %rax +; X64-NEXT: sete %al +; X64-NEXT: retq %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 8) nounwind %c = icmp eq i32 %m, 0 ret i1 %c } define i1 @length8_const(i8* %X, i32* nocapture %P) nounwind { -; CHECK-LABEL: length8_const: -; CHECK: # BB#0: -; CHECK-NEXT: movabsq $3978425819141910832, %rax # imm = 0x3736353433323130 -; CHECK-NEXT: cmpq %rax, (%rdi) -; CHECK-NEXT: setne %al -; CHECK-NEXT: retq +; X32-LABEL: length8_const: +; X32: # BB#0: +; X32-NEXT: pushl $0 +; X32-NEXT: pushl $8 +; X32-NEXT: pushl $.L.str +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: calll memcmp +; X32-NEXT: addl $16, %esp +; X32-NEXT: testl %eax, %eax +; X32-NEXT: setne %al +; X32-NEXT: retl +; +; X64-LABEL: length8_const: +; X64: # BB#0: +; X64-NEXT: movabsq $3978425819141910832, %rax # imm = 0x3736353433323130 +; X64-NEXT: cmpq %rax, (%rdi) +; X64-NEXT: setne %al +; X64-NEXT: retq %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i64 8) nounwind %c = icmp ne i32 %m, 0 ret i1 %c } define i1 @length16(i8* %x, i8* %y) nounwind { -; CHECK-LABEL: length16: -; CHECK: # BB#0: -; CHECK-NEXT: pushq %rax -; CHECK-NEXT: movl $16, %edx -; CHECK-NEXT: callq memcmp -; CHECK-NEXT: testl %eax, %eax -; CHECK-NEXT: setne %al -; CHECK-NEXT: popq %rcx -; CHECK-NEXT: retq +; X32-LABEL: length16: +; X32: # BB#0: +; X32-NEXT: pushl $0 +; X32-NEXT: pushl $16 +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: calll memcmp +; X32-NEXT: addl $16, %esp +; X32-NEXT: testl %eax, %eax +; X32-NEXT: setne %al +; X32-NEXT: retl +; +; X64-LABEL: length16: +; X64: # BB#0: +; X64-NEXT: pushq %rax +; X64-NEXT: movl $16, %edx +; X64-NEXT: callq memcmp +; X64-NEXT: testl %eax, %eax +; X64-NEXT: setne %al +; X64-NEXT: popq %rcx +; X64-NEXT: retq %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 16) nounwind %cmp = icmp ne i32 %call, 0 ret i1 %cmp } define i1 @length16_const(i8* %X, i32* nocapture %P) nounwind { -; CHECK-LABEL: length16_const: -; CHECK: # BB#0: -; CHECK-NEXT: pushq %rax -; CHECK-NEXT: movl $.L.str, %esi -; CHECK-NEXT: movl $16, %edx -; CHECK-NEXT: callq memcmp -; CHECK-NEXT: testl %eax, %eax -; CHECK-NEXT: sete %al -; CHECK-NEXT: popq %rcx -; CHECK-NEXT: retq +; X32-LABEL: length16_const: +; X32: # BB#0: +; X32-NEXT: pushl $0 +; X32-NEXT: pushl $16 +; X32-NEXT: pushl $.L.str +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: calll memcmp +; X32-NEXT: addl $16, %esp +; X32-NEXT: testl %eax, %eax +; X32-NEXT: sete %al +; X32-NEXT: retl +; +; X64-LABEL: length16_const: +; X64: # BB#0: +; X64-NEXT: pushq %rax +; X64-NEXT: movl $.L.str, %esi +; X64-NEXT: movl $16, %edx +; X64-NEXT: callq memcmp +; X64-NEXT: testl %eax, %eax +; X64-NEXT: sete %al +; X64-NEXT: popq %rcx +; X64-NEXT: retq %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i64 16) nounwind %c = icmp eq i32 %m, 0 ret i1 %c } define i1 @length32(i8* %x, i8* %y) nounwind { -; CHECK-LABEL: length32: -; CHECK: # BB#0: -; CHECK-NEXT: pushq %rax -; CHECK-NEXT: movl $32, %edx -; CHECK-NEXT: callq memcmp -; CHECK-NEXT: testl %eax, %eax -; CHECK-NEXT: sete %al -; CHECK-NEXT: popq %rcx -; CHECK-NEXT: retq +; X32-LABEL: length32: +; X32: # BB#0: +; X32-NEXT: pushl $0 +; X32-NEXT: pushl $32 +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: calll memcmp +; X32-NEXT: addl $16, %esp +; X32-NEXT: testl %eax, %eax +; X32-NEXT: sete %al +; X32-NEXT: retl +; +; X64-LABEL: length32: +; X64: # BB#0: +; X64-NEXT: pushq %rax +; X64-NEXT: movl $32, %edx +; X64-NEXT: callq memcmp +; X64-NEXT: testl %eax, %eax +; X64-NEXT: sete %al +; X64-NEXT: popq %rcx +; X64-NEXT: retq %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 32) nounwind %cmp = icmp eq i32 %call, 0 ret i1 %cmp } define i1 @length32_const(i8* %X, i32* nocapture %P) nounwind { -; CHECK-LABEL: length32_const: -; CHECK: # BB#0: -; CHECK-NEXT: pushq %rax -; CHECK-NEXT: movl $.L.str, %esi -; CHECK-NEXT: movl $32, %edx -; CHECK-NEXT: callq memcmp -; CHECK-NEXT: testl %eax, %eax -; CHECK-NEXT: setne %al -; CHECK-NEXT: popq %rcx -; CHECK-NEXT: retq +; X32-LABEL: length32_const: +; X32: # BB#0: +; X32-NEXT: pushl $0 +; X32-NEXT: pushl $32 +; X32-NEXT: pushl $.L.str +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: calll memcmp +; X32-NEXT: addl $16, %esp +; X32-NEXT: testl %eax, %eax +; X32-NEXT: setne %al +; X32-NEXT: retl +; +; X64-LABEL: length32_const: +; X64: # BB#0: +; X64-NEXT: pushq %rax +; X64-NEXT: movl $.L.str, %esi +; X64-NEXT: movl $32, %edx +; X64-NEXT: callq memcmp +; X64-NEXT: testl %eax, %eax +; X64-NEXT: setne %al +; X64-NEXT: popq %rcx +; X64-NEXT: retq %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i64 32) nounwind %c = icmp ne i32 %m, 0 ret i1 %c } define i1 @length64(i8* %x, i8* %y) nounwind { -; CHECK-LABEL: length64: -; CHECK: # BB#0: -; CHECK-NEXT: pushq %rax -; CHECK-NEXT: movl $64, %edx -; CHECK-NEXT: callq memcmp -; CHECK-NEXT: testl %eax, %eax -; CHECK-NEXT: setne %al -; CHECK-NEXT: popq %rcx -; CHECK-NEXT: retq +; X32-LABEL: length64: +; X32: # BB#0: +; X32-NEXT: pushl $0 +; X32-NEXT: pushl $64 +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: calll memcmp +; X32-NEXT: addl $16, %esp +; X32-NEXT: testl %eax, %eax +; X32-NEXT: setne %al +; X32-NEXT: retl +; +; X64-LABEL: length64: +; X64: # BB#0: +; X64-NEXT: pushq %rax +; X64-NEXT: movl $64, %edx +; X64-NEXT: callq memcmp +; X64-NEXT: testl %eax, %eax +; X64-NEXT: setne %al +; X64-NEXT: popq %rcx +; X64-NEXT: retq %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 64) nounwind %cmp = icmp ne i32 %call, 0 ret i1 %cmp } define i1 @length64_const(i8* %X, i32* nocapture %P) nounwind { -; CHECK-LABEL: length64_const: -; CHECK: # BB#0: -; CHECK-NEXT: pushq %rax -; CHECK-NEXT: movl $.L.str, %esi -; CHECK-NEXT: movl $64, %edx -; CHECK-NEXT: callq memcmp -; CHECK-NEXT: testl %eax, %eax -; CHECK-NEXT: sete %al -; CHECK-NEXT: popq %rcx -; CHECK-NEXT: retq +; X32-LABEL: length64_const: +; X32: # BB#0: +; X32-NEXT: pushl $0 +; X32-NEXT: pushl $64 +; X32-NEXT: pushl $.L.str +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: calll memcmp +; X32-NEXT: addl $16, %esp +; X32-NEXT: testl %eax, %eax +; X32-NEXT: sete %al +; X32-NEXT: retl +; +; X64-LABEL: length64_const: +; X64: # BB#0: +; X64-NEXT: pushq %rax +; X64-NEXT: movl $.L.str, %esi +; X64-NEXT: movl $64, %edx +; X64-NEXT: callq memcmp +; X64-NEXT: testl %eax, %eax +; X64-NEXT: sete %al +; X64-NEXT: popq %rcx +; X64-NEXT: retq %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i64 64) nounwind %c = icmp eq i32 %m, 0 ret i1 %c -- 2.40.0