diff options
Diffstat (limited to 'test/CodeGen/X86/memcmp.ll')
-rw-r--r-- | test/CodeGen/X86/memcmp.ll | 330 |
1 files changed, 293 insertions, 37 deletions
diff --git a/test/CodeGen/X86/memcmp.ll b/test/CodeGen/X86/memcmp.ll index ce1bb3b06ce5..4e2475b1c67d 100644 --- a/test/CodeGen/X86/memcmp.ll +++ b/test/CodeGen/X86/memcmp.ll @@ -10,9 +10,28 @@ declare i32 @memcmp(i8*, i8*, i64) -define i1 @length2(i8* %X, i8* %Y, i32* nocapture %P) nounwind { +define i32 @length2(i8* %X, i8* %Y) nounwind { ; X32-LABEL: length2: ; 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: retl +; +; X64-LABEL: length2: +; X64: # BB#0: +; X64-NEXT: movl $2, %edx +; X64-NEXT: jmp memcmp # TAILCALL + %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 2) nounwind + ret i32 %m +} + +define i1 @length2_eq(i8* %X, i8* %Y) nounwind { +; X32-LABEL: length2_eq: +; X32: # BB#0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movzwl (%ecx), %ecx @@ -20,7 +39,7 @@ define i1 @length2(i8* %X, i8* %Y, i32* nocapture %P) nounwind { ; X32-NEXT: sete %al ; X32-NEXT: retl ; -; X64-LABEL: length2: +; X64-LABEL: length2_eq: ; X64: # BB#0: ; X64-NEXT: movzwl (%rdi), %eax ; X64-NEXT: cmpw (%rsi), %ax @@ -31,8 +50,8 @@ define i1 @length2(i8* %X, i8* %Y, i32* nocapture %P) nounwind { ret i1 %c } -define i1 @length2_const(i8* %X, i32* nocapture %P) nounwind { -; X32-LABEL: length2_const: +define i1 @length2_eq_const(i8* %X) nounwind { +; X32-LABEL: length2_eq_const: ; X32: # BB#0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: movzwl (%eax), %eax @@ -40,7 +59,7 @@ define i1 @length2_const(i8* %X, i32* nocapture %P) nounwind { ; X32-NEXT: setne %al ; X32-NEXT: retl ; -; X64-LABEL: length2_const: +; X64-LABEL: length2_eq_const: ; X64: # BB#0: ; X64-NEXT: movzwl (%rdi), %eax ; X64-NEXT: cmpl $12849, %eax # imm = 0x3231 @@ -51,8 +70,8 @@ define i1 @length2_const(i8* %X, i32* nocapture %P) nounwind { ret i1 %c } -define i1 @length2_nobuiltin_attr(i8* %X, i8* %Y, i32* nocapture %P) nounwind { -; X32-LABEL: length2_nobuiltin_attr: +define i1 @length2_eq_nobuiltin_attr(i8* %X, i8* %Y) nounwind { +; X32-LABEL: length2_eq_nobuiltin_attr: ; X32: # BB#0: ; X32-NEXT: pushl $0 ; X32-NEXT: pushl $2 @@ -64,7 +83,7 @@ define i1 @length2_nobuiltin_attr(i8* %X, i8* %Y, i32* nocapture %P) nounwind { ; X32-NEXT: sete %al ; X32-NEXT: retl ; -; X64-LABEL: length2_nobuiltin_attr: +; X64-LABEL: length2_eq_nobuiltin_attr: ; X64: # BB#0: ; X64-NEXT: pushq %rax ; X64-NEXT: movl $2, %edx @@ -78,9 +97,74 @@ define i1 @length2_nobuiltin_attr(i8* %X, i8* %Y, i32* nocapture %P) nounwind { ret i1 %c } -define i1 @length4(i8* %X, i8* %Y, i32* nocapture %P) nounwind { +define i32 @length3(i8* %X, i8* %Y) nounwind { +; X32-LABEL: length3: +; X32: # BB#0: +; X32-NEXT: pushl $0 +; X32-NEXT: pushl $3 +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: calll memcmp +; X32-NEXT: addl $16, %esp +; X32-NEXT: retl +; +; X64-LABEL: length3: +; X64: # BB#0: +; X64-NEXT: movl $3, %edx +; X64-NEXT: jmp memcmp # TAILCALL + %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 3) nounwind + ret i32 %m +} + +define i1 @length3_eq(i8* %X, i8* %Y) nounwind { +; X32-LABEL: length3_eq: +; X32: # BB#0: +; X32-NEXT: pushl $0 +; X32-NEXT: pushl $3 +; 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: length3_eq: +; X64: # BB#0: +; X64-NEXT: pushq %rax +; X64-NEXT: movl $3, %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* %Y, i64 3) nounwind + %c = icmp ne i32 %m, 0 + ret i1 %c +} + +define i32 @length4(i8* %X, i8* %Y) nounwind { ; X32-LABEL: length4: ; X32: # BB#0: +; X32-NEXT: pushl $0 +; X32-NEXT: pushl $4 +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: calll memcmp +; X32-NEXT: addl $16, %esp +; X32-NEXT: retl +; +; X64-LABEL: length4: +; X64: # BB#0: +; X64-NEXT: movl $4, %edx +; X64-NEXT: jmp memcmp # TAILCALL + %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 4) nounwind + ret i32 %m +} + +define i1 @length4_eq(i8* %X, i8* %Y) nounwind { +; X32-LABEL: length4_eq: +; X32: # BB#0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl (%ecx), %ecx @@ -88,7 +172,7 @@ define i1 @length4(i8* %X, i8* %Y, i32* nocapture %P) nounwind { ; X32-NEXT: setne %al ; X32-NEXT: retl ; -; X64-LABEL: length4: +; X64-LABEL: length4_eq: ; X64: # BB#0: ; X64-NEXT: movl (%rdi), %eax ; X64-NEXT: cmpl (%rsi), %eax @@ -99,15 +183,15 @@ define i1 @length4(i8* %X, i8* %Y, i32* nocapture %P) nounwind { ret i1 %c } -define i1 @length4_const(i8* %X, i32* nocapture %P) nounwind { -; X32-LABEL: length4_const: +define i1 @length4_eq_const(i8* %X) nounwind { +; X32-LABEL: length4_eq_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-LABEL: length4_eq_const: ; X64: # BB#0: ; X64-NEXT: cmpl $875770417, (%rdi) # imm = 0x34333231 ; X64-NEXT: sete %al @@ -117,7 +201,53 @@ define i1 @length4_const(i8* %X, i32* nocapture %P) nounwind { ret i1 %c } -define i1 @length8(i8* %X, i8* %Y, i32* nocapture %P) nounwind { +define i32 @length5(i8* %X, i8* %Y) nounwind { +; X32-LABEL: length5: +; X32: # BB#0: +; X32-NEXT: pushl $0 +; X32-NEXT: pushl $5 +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: calll memcmp +; X32-NEXT: addl $16, %esp +; X32-NEXT: retl +; +; X64-LABEL: length5: +; X64: # BB#0: +; X64-NEXT: movl $5, %edx +; X64-NEXT: jmp memcmp # TAILCALL + %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 5) nounwind + ret i32 %m +} + +define i1 @length5_eq(i8* %X, i8* %Y) nounwind { +; X32-LABEL: length5_eq: +; X32: # BB#0: +; X32-NEXT: pushl $0 +; X32-NEXT: pushl $5 +; 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: length5_eq: +; X64: # BB#0: +; X64-NEXT: pushq %rax +; X64-NEXT: movl $5, %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* %Y, i64 5) nounwind + %c = icmp ne i32 %m, 0 + ret i1 %c +} + +define i32 @length8(i8* %X, i8* %Y) nounwind { ; X32-LABEL: length8: ; X32: # BB#0: ; X32-NEXT: pushl $0 @@ -126,11 +256,30 @@ define i1 @length8(i8* %X, i8* %Y, i32* nocapture %P) nounwind { ; X32-NEXT: pushl {{[0-9]+}}(%esp) ; X32-NEXT: calll memcmp ; X32-NEXT: addl $16, %esp +; X32-NEXT: retl +; +; X64-LABEL: length8: +; X64: # BB#0: +; X64-NEXT: movl $8, %edx +; X64-NEXT: jmp memcmp # TAILCALL + %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 8) nounwind + ret i32 %m +} + +define i1 @length8_eq(i8* %X, i8* %Y) nounwind { +; X32-LABEL: length8_eq: +; 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-LABEL: length8_eq: ; X64: # BB#0: ; X64-NEXT: movq (%rdi), %rax ; X64-NEXT: cmpq (%rsi), %rax @@ -141,8 +290,8 @@ define i1 @length8(i8* %X, i8* %Y, i32* nocapture %P) nounwind { ret i1 %c } -define i1 @length8_const(i8* %X, i32* nocapture %P) nounwind { -; X32-LABEL: length8_const: +define i1 @length8_eq_const(i8* %X) nounwind { +; X32-LABEL: length8_eq_const: ; X32: # BB#0: ; X32-NEXT: pushl $0 ; X32-NEXT: pushl $8 @@ -154,7 +303,7 @@ define i1 @length8_const(i8* %X, i32* nocapture %P) nounwind { ; X32-NEXT: setne %al ; X32-NEXT: retl ; -; X64-LABEL: length8_const: +; X64-LABEL: length8_eq_const: ; X64: # BB#0: ; X64-NEXT: movabsq $3978425819141910832, %rax # imm = 0x3736353433323130 ; X64-NEXT: cmpq %rax, (%rdi) @@ -165,7 +314,55 @@ define i1 @length8_const(i8* %X, i32* nocapture %P) nounwind { ret i1 %c } -define i1 @length16(i8* %x, i8* %y) nounwind { +define i1 @length12_eq(i8* %X, i8* %Y) nounwind { +; X32-LABEL: length12_eq: +; X32: # BB#0: +; X32-NEXT: pushl $0 +; X32-NEXT: pushl $12 +; 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: length12_eq: +; X64: # BB#0: +; X64-NEXT: pushq %rax +; X64-NEXT: movl $12, %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* %Y, i64 12) nounwind + %c = icmp ne i32 %m, 0 + ret i1 %c +} + +define i32 @length12(i8* %X, i8* %Y) nounwind { +; X32-LABEL: length12: +; X32: # BB#0: +; X32-NEXT: pushl $0 +; X32-NEXT: pushl $12 +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: pushl {{[0-9]+}}(%esp) +; X32-NEXT: calll memcmp +; X32-NEXT: addl $16, %esp +; X32-NEXT: retl +; +; X64-LABEL: length12: +; X64: # BB#0: +; X64-NEXT: movl $12, %edx +; X64-NEXT: jmp memcmp # TAILCALL + %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 12) nounwind + ret i32 %m +} + +; PR33329 - https://bugs.llvm.org/show_bug.cgi?id=33329 + +define i32 @length16(i8* %X, i8* %Y) nounwind { ; X32-LABEL: length16: ; X32: # BB#0: ; X32-NEXT: pushl $0 @@ -174,11 +371,30 @@ define i1 @length16(i8* %x, i8* %y) nounwind { ; X32-NEXT: pushl {{[0-9]+}}(%esp) ; X32-NEXT: calll memcmp ; X32-NEXT: addl $16, %esp +; X32-NEXT: retl +; +; X64-LABEL: length16: +; X64: # BB#0: +; X64-NEXT: movl $16, %edx +; X64-NEXT: jmp memcmp # TAILCALL + %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 16) nounwind + ret i32 %m +} + +define i1 @length16_eq(i8* %x, i8* %y) nounwind { +; X32-LABEL: length16_eq: +; 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 ; -; SSE2-LABEL: length16: +; SSE2-LABEL: length16_eq: ; SSE2: # BB#0: ; SSE2-NEXT: movdqu (%rsi), %xmm0 ; SSE2-NEXT: movdqu (%rdi), %xmm1 @@ -188,7 +404,7 @@ define i1 @length16(i8* %x, i8* %y) nounwind { ; SSE2-NEXT: setne %al ; SSE2-NEXT: retq ; -; AVX2-LABEL: length16: +; AVX2-LABEL: length16_eq: ; AVX2: # BB#0: ; AVX2-NEXT: vmovdqu (%rdi), %xmm0 ; AVX2-NEXT: vpcmpeqb (%rsi), %xmm0, %xmm0 @@ -201,8 +417,8 @@ define i1 @length16(i8* %x, i8* %y) nounwind { ret i1 %cmp } -define i1 @length16_const(i8* %X, i32* nocapture %P) nounwind { -; X32-LABEL: length16_const: +define i1 @length16_eq_const(i8* %X) nounwind { +; X32-LABEL: length16_eq_const: ; X32: # BB#0: ; X32-NEXT: pushl $0 ; X32-NEXT: pushl $16 @@ -214,7 +430,7 @@ define i1 @length16_const(i8* %X, i32* nocapture %P) nounwind { ; X32-NEXT: sete %al ; X32-NEXT: retl ; -; SSE2-LABEL: length16_const: +; SSE2-LABEL: length16_eq_const: ; SSE2: # BB#0: ; SSE2-NEXT: movdqu (%rdi), %xmm0 ; SSE2-NEXT: pcmpeqb {{.*}}(%rip), %xmm0 @@ -223,7 +439,7 @@ define i1 @length16_const(i8* %X, i32* nocapture %P) nounwind { ; SSE2-NEXT: sete %al ; SSE2-NEXT: retq ; -; AVX2-LABEL: length16_const: +; AVX2-LABEL: length16_eq_const: ; AVX2: # BB#0: ; AVX2-NEXT: vmovdqu (%rdi), %xmm0 ; AVX2-NEXT: vpcmpeqb {{.*}}(%rip), %xmm0, %xmm0 @@ -236,7 +452,7 @@ define i1 @length16_const(i8* %X, i32* nocapture %P) nounwind { ret i1 %c } -define i1 @length32(i8* %x, i8* %y) nounwind { +define i32 @length32(i8* %X, i8* %Y) nounwind { ; X32-LABEL: length32: ; X32: # BB#0: ; X32-NEXT: pushl $0 @@ -245,11 +461,32 @@ define i1 @length32(i8* %x, i8* %y) nounwind { ; X32-NEXT: pushl {{[0-9]+}}(%esp) ; X32-NEXT: calll memcmp ; X32-NEXT: addl $16, %esp +; X32-NEXT: retl +; +; X64-LABEL: length32: +; X64: # BB#0: +; X64-NEXT: movl $32, %edx +; X64-NEXT: jmp memcmp # TAILCALL + %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 32) nounwind + ret i32 %m +} + +; PR33325 - https://bugs.llvm.org/show_bug.cgi?id=33325 + +define i1 @length32_eq(i8* %x, i8* %y) nounwind { +; X32-LABEL: length32_eq: +; 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 ; -; SSE2-LABEL: length32: +; SSE2-LABEL: length32_eq: ; SSE2: # BB#0: ; SSE2-NEXT: pushq %rax ; SSE2-NEXT: movl $32, %edx @@ -259,7 +496,7 @@ define i1 @length32(i8* %x, i8* %y) nounwind { ; SSE2-NEXT: popq %rcx ; SSE2-NEXT: retq ; -; AVX2-LABEL: length32: +; AVX2-LABEL: length32_eq: ; AVX2: # BB#0: ; AVX2-NEXT: vmovdqu (%rdi), %ymm0 ; AVX2-NEXT: vpcmpeqb (%rsi), %ymm0, %ymm0 @@ -273,8 +510,8 @@ define i1 @length32(i8* %x, i8* %y) nounwind { ret i1 %cmp } -define i1 @length32_const(i8* %X, i32* nocapture %P) nounwind { -; X32-LABEL: length32_const: +define i1 @length32_eq_const(i8* %X) nounwind { +; X32-LABEL: length32_eq_const: ; X32: # BB#0: ; X32-NEXT: pushl $0 ; X32-NEXT: pushl $32 @@ -286,7 +523,7 @@ define i1 @length32_const(i8* %X, i32* nocapture %P) nounwind { ; X32-NEXT: setne %al ; X32-NEXT: retl ; -; SSE2-LABEL: length32_const: +; SSE2-LABEL: length32_eq_const: ; SSE2: # BB#0: ; SSE2-NEXT: pushq %rax ; SSE2-NEXT: movl $.L.str, %esi @@ -297,7 +534,7 @@ define i1 @length32_const(i8* %X, i32* nocapture %P) nounwind { ; SSE2-NEXT: popq %rcx ; SSE2-NEXT: retq ; -; AVX2-LABEL: length32_const: +; AVX2-LABEL: length32_eq_const: ; AVX2: # BB#0: ; AVX2-NEXT: vmovdqu (%rdi), %ymm0 ; AVX2-NEXT: vpcmpeqb {{.*}}(%rip), %ymm0, %ymm0 @@ -311,7 +548,7 @@ define i1 @length32_const(i8* %X, i32* nocapture %P) nounwind { ret i1 %c } -define i1 @length64(i8* %x, i8* %y) nounwind { +define i32 @length64(i8* %X, i8* %Y) nounwind { ; X32-LABEL: length64: ; X32: # BB#0: ; X32-NEXT: pushl $0 @@ -320,11 +557,30 @@ define i1 @length64(i8* %x, i8* %y) nounwind { ; X32-NEXT: pushl {{[0-9]+}}(%esp) ; X32-NEXT: calll memcmp ; X32-NEXT: addl $16, %esp +; X32-NEXT: retl +; +; X64-LABEL: length64: +; X64: # BB#0: +; X64-NEXT: movl $64, %edx +; X64-NEXT: jmp memcmp # TAILCALL + %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 64) nounwind + ret i32 %m +} + +define i1 @length64_eq(i8* %x, i8* %y) nounwind { +; X32-LABEL: length64_eq: +; 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-LABEL: length64_eq: ; X64: # BB#0: ; X64-NEXT: pushq %rax ; X64-NEXT: movl $64, %edx @@ -338,8 +594,8 @@ define i1 @length64(i8* %x, i8* %y) nounwind { ret i1 %cmp } -define i1 @length64_const(i8* %X, i32* nocapture %P) nounwind { -; X32-LABEL: length64_const: +define i1 @length64_eq_const(i8* %X) nounwind { +; X32-LABEL: length64_eq_const: ; X32: # BB#0: ; X32-NEXT: pushl $0 ; X32-NEXT: pushl $64 @@ -351,7 +607,7 @@ define i1 @length64_const(i8* %X, i32* nocapture %P) nounwind { ; X32-NEXT: sete %al ; X32-NEXT: retl ; -; X64-LABEL: length64_const: +; X64-LABEL: length64_eq_const: ; X64: # BB#0: ; X64-NEXT: pushq %rax ; X64-NEXT: movl $.L.str, %esi |