forked from OSchip/llvm-project
parent
9f1bb5b9a8
commit
d0bfedf8e5
|
@ -1,5 +1,6 @@
|
|||
; RUN: llc < %s -mattr=-bmi -mtriple=x86_64-linux | FileCheck %s -check-prefix=X86-64
|
||||
; RUN: llc < %s -mattr=-bmi -mtriple=x86_64-linux-gnux32 | FileCheck %s -check-prefix=X86-64
|
||||
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
||||
; RUN: llc < %s -mattr=-bmi -mtriple=x86_64-linux | FileCheck %s -check-prefix=X86-64 -check-prefix=X64
|
||||
; RUN: llc < %s -mattr=-bmi -mtriple=x86_64-linux-gnux32 | FileCheck %s -check-prefix=X86-64 -check-prefix=X32
|
||||
; RUN: llc < %s -mattr=-bmi -mtriple=x86_64-win32 | FileCheck %s -check-prefix=WIN64
|
||||
; RUN: llc < %s -mattr=-bmi -mtriple=i686-- | FileCheck %s -check-prefix=X86-32
|
||||
|
||||
|
@ -7,18 +8,36 @@
|
|||
; of h registers yet, due to x86 encoding complications.
|
||||
|
||||
define void @bar64(i64 inreg %x, i8* inreg %p) nounwind {
|
||||
; X86-64-LABEL: bar64:
|
||||
; X86-64: shrq $8, %rdi
|
||||
; X86-64: incb %dil
|
||||
; X64-LABEL: bar64:
|
||||
; X64: # %bb.0:
|
||||
; X64-NEXT: shrq $8, %rdi
|
||||
; X64-NEXT: incb %dil
|
||||
; X64-NEXT: movb %dil, (%rsi)
|
||||
; X64-NEXT: retq
|
||||
;
|
||||
; X32-LABEL: bar64:
|
||||
; X32: # %bb.0:
|
||||
; X32-NEXT: shrq $8, %rdi
|
||||
; X32-NEXT: incb %dil
|
||||
; X32-NEXT: movb %dil, (%esi)
|
||||
; X32-NEXT: retq
|
||||
;
|
||||
; WIN64-LABEL: bar64:
|
||||
; WIN64: # %bb.0:
|
||||
; WIN64-NEXT: shrq $8, %rcx
|
||||
; WIN64-NEXT: incb %cl
|
||||
; WIN64-NEXT: movb %cl, (%rdx)
|
||||
; WIN64-NEXT: retq
|
||||
;
|
||||
; X86-32-LABEL: bar64:
|
||||
; X86-32: # %bb.0:
|
||||
; X86-32-NEXT: incb %ah
|
||||
; X86-32-NEXT: movb %ah, (%ecx)
|
||||
; X86-32-NEXT: retl
|
||||
|
||||
; See FIXME: on regclass GR8.
|
||||
; It could be optimally transformed like; incb %ch; movb %ch, (%rdx)
|
||||
; WIN64-LABEL: bar64:
|
||||
; WIN64: shrq $8, %rcx
|
||||
; WIN64: incb %cl
|
||||
|
||||
; X86-32-LABEL: bar64:
|
||||
; X86-32: incb %ah
|
||||
%t0 = lshr i64 %x, 8
|
||||
%t1 = trunc i64 %t0 to i8
|
||||
%t2 = add i8 %t1, 1
|
||||
|
@ -27,16 +46,34 @@ define void @bar64(i64 inreg %x, i8* inreg %p) nounwind {
|
|||
}
|
||||
|
||||
define void @bar32(i32 inreg %x, i8* inreg %p) nounwind {
|
||||
; X86-64-LABEL: bar32:
|
||||
; X86-64: shrl $8, %edi
|
||||
; X86-64: incb %dil
|
||||
|
||||
; WIN64-LABEL: bar32:
|
||||
; WIN64: shrl $8, %ecx
|
||||
; WIN64: incb %cl
|
||||
|
||||
; X64-LABEL: bar32:
|
||||
; X64: # %bb.0:
|
||||
; X64-NEXT: shrl $8, %edi
|
||||
; X64-NEXT: incb %dil
|
||||
; X64-NEXT: movb %dil, (%rsi)
|
||||
; X64-NEXT: retq
|
||||
;
|
||||
; X32-LABEL: bar32:
|
||||
; X32: # %bb.0:
|
||||
; X32-NEXT: shrl $8, %edi
|
||||
; X32-NEXT: incb %dil
|
||||
; X32-NEXT: movb %dil, (%esi)
|
||||
; X32-NEXT: retq
|
||||
;
|
||||
; WIN64-LABEL: bar32:
|
||||
; WIN64: # %bb.0:
|
||||
; WIN64-NEXT: shrl $8, %ecx
|
||||
; WIN64-NEXT: incb %cl
|
||||
; WIN64-NEXT: movb %cl, (%rdx)
|
||||
; WIN64-NEXT: retq
|
||||
;
|
||||
; X86-32-LABEL: bar32:
|
||||
; X86-32: incb %ah
|
||||
; X86-32: # %bb.0:
|
||||
; X86-32-NEXT: incb %ah
|
||||
; X86-32-NEXT: movb %ah, (%edx)
|
||||
; X86-32-NEXT: retl
|
||||
|
||||
|
||||
%t0 = lshr i32 %x, 8
|
||||
%t1 = trunc i32 %t0 to i8
|
||||
%t2 = add i8 %t1, 1
|
||||
|
@ -45,16 +82,35 @@ define void @bar32(i32 inreg %x, i8* inreg %p) nounwind {
|
|||
}
|
||||
|
||||
define void @bar16(i16 inreg %x, i8* inreg %p) nounwind {
|
||||
; X86-64-LABEL: bar16:
|
||||
; X86-64: shrl $8, %edi
|
||||
; X86-64: incb %dil
|
||||
|
||||
; WIN64-LABEL: bar16:
|
||||
; WIN64: shrl $8, %ecx
|
||||
; WIN64: incb %cl
|
||||
|
||||
; X64-LABEL: bar16:
|
||||
; X64: # %bb.0:
|
||||
; X64-NEXT: shrl $8, %edi
|
||||
; X64-NEXT: incb %dil
|
||||
; X64-NEXT: movb %dil, (%rsi)
|
||||
; X64-NEXT: retq
|
||||
;
|
||||
; X32-LABEL: bar16:
|
||||
; X32: # %bb.0:
|
||||
; X32-NEXT: shrl $8, %edi
|
||||
; X32-NEXT: incb %dil
|
||||
; X32-NEXT: movb %dil, (%esi)
|
||||
; X32-NEXT: retq
|
||||
;
|
||||
; WIN64-LABEL: bar16:
|
||||
; WIN64: # %bb.0:
|
||||
; WIN64-NEXT: # kill: def $cx killed $cx def $ecx
|
||||
; WIN64-NEXT: shrl $8, %ecx
|
||||
; WIN64-NEXT: incb %cl
|
||||
; WIN64-NEXT: movb %cl, (%rdx)
|
||||
; WIN64-NEXT: retq
|
||||
;
|
||||
; X86-32-LABEL: bar16:
|
||||
; X86-32: incb %ah
|
||||
; X86-32: # %bb.0:
|
||||
; X86-32-NEXT: incb %ah
|
||||
; X86-32-NEXT: movb %ah, (%edx)
|
||||
; X86-32-NEXT: retl
|
||||
|
||||
|
||||
%t0 = lshr i16 %x, 8
|
||||
%t1 = trunc i16 %t0 to i8
|
||||
%t2 = add i8 %t1, 1
|
||||
|
@ -64,14 +120,23 @@ define void @bar16(i16 inreg %x, i8* inreg %p) nounwind {
|
|||
|
||||
define i64 @qux64(i64 inreg %x) nounwind {
|
||||
; X86-64-LABEL: qux64:
|
||||
; X86-64: movq %rdi, %rax
|
||||
; X86-64: movzbl %ah, %eax
|
||||
|
||||
; WIN64-LABEL: qux64:
|
||||
; WIN64: movzbl %ch, %eax
|
||||
|
||||
; X86-64: # %bb.0:
|
||||
; X86-64-NEXT: movq %rdi, %rax
|
||||
; X86-64-NEXT: movzbl %ah, %eax
|
||||
; X86-64-NEXT: retq
|
||||
;
|
||||
; WIN64-LABEL: qux64:
|
||||
; WIN64: # %bb.0:
|
||||
; WIN64-NEXT: movzbl %ch, %eax
|
||||
; WIN64-NEXT: retq
|
||||
;
|
||||
; X86-32-LABEL: qux64:
|
||||
; X86-32: movzbl %ah, %eax
|
||||
; X86-32: # %bb.0:
|
||||
; X86-32-NEXT: movzbl %ah, %eax
|
||||
; X86-32-NEXT: xorl %edx, %edx
|
||||
; X86-32-NEXT: retl
|
||||
|
||||
|
||||
%t0 = lshr i64 %x, 8
|
||||
%t1 = and i64 %t0, 255
|
||||
ret i64 %t1
|
||||
|
@ -79,14 +144,22 @@ define i64 @qux64(i64 inreg %x) nounwind {
|
|||
|
||||
define i32 @qux32(i32 inreg %x) nounwind {
|
||||
; X86-64-LABEL: qux32:
|
||||
; X86-64: movl %edi, %eax
|
||||
; X86-64: movzbl %ah, %eax
|
||||
|
||||
; WIN64-LABEL: qux32:
|
||||
; WIN64: movzbl %ch, %eax
|
||||
|
||||
; X86-64: # %bb.0:
|
||||
; X86-64-NEXT: movl %edi, %eax
|
||||
; X86-64-NEXT: movzbl %ah, %eax
|
||||
; X86-64-NEXT: retq
|
||||
;
|
||||
; WIN64-LABEL: qux32:
|
||||
; WIN64: # %bb.0:
|
||||
; WIN64-NEXT: movzbl %ch, %eax
|
||||
; WIN64-NEXT: retq
|
||||
;
|
||||
; X86-32-LABEL: qux32:
|
||||
; X86-32: movzbl %ah, %eax
|
||||
; X86-32: # %bb.0:
|
||||
; X86-32-NEXT: movzbl %ah, %eax
|
||||
; X86-32-NEXT: retl
|
||||
|
||||
|
||||
%t0 = lshr i32 %x, 8
|
||||
%t1 = and i32 %t0, 255
|
||||
ret i32 %t1
|
||||
|
@ -94,15 +167,26 @@ define i32 @qux32(i32 inreg %x) nounwind {
|
|||
|
||||
define i16 @qux16(i16 inreg %x) nounwind {
|
||||
; X86-64-LABEL: qux16:
|
||||
; X86-64: movl %edi, %eax
|
||||
; X86-64: movzbl %ah, %eax
|
||||
|
||||
; WIN64-LABEL: qux16:
|
||||
; WIN64: movzwl %cx, %eax
|
||||
; WIN64: shrl $8, %eax
|
||||
|
||||
; X86-64: # %bb.0:
|
||||
; X86-64-NEXT: movl %edi, %eax
|
||||
; X86-64-NEXT: movzbl %ah, %eax
|
||||
; X86-64-NEXT: # kill: def $ax killed $ax killed $eax
|
||||
; X86-64-NEXT: retq
|
||||
;
|
||||
; WIN64-LABEL: qux16:
|
||||
; WIN64: # %bb.0:
|
||||
; WIN64-NEXT: movzwl %cx, %eax
|
||||
; WIN64-NEXT: shrl $8, %eax
|
||||
; WIN64-NEXT: # kill: def $ax killed $ax killed $eax
|
||||
; WIN64-NEXT: retq
|
||||
;
|
||||
; X86-32-LABEL: qux16:
|
||||
; X86-32: movzbl %ah, %eax
|
||||
; X86-32: # %bb.0:
|
||||
; X86-32-NEXT: movzbl %ah, %eax
|
||||
; X86-32-NEXT: # kill: def $ax killed $ax killed $eax
|
||||
; X86-32-NEXT: retl
|
||||
|
||||
|
||||
%t0 = lshr i16 %x, 8
|
||||
ret i16 %t0
|
||||
}
|
||||
|
|
|
@ -1,35 +1,46 @@
|
|||
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
||||
; RUN: llc < %s -mtriple=i686-unknown-linux-gnu | FileCheck %s -check-prefix=X86
|
||||
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s -check-prefix=X64
|
||||
; RUN: llc < %s -mtriple=x86_64-linux-gnux32 | FileCheck %s -check-prefix=X32
|
||||
|
||||
define zeroext i8 @foo() nounwind ssp {
|
||||
; X86-LABEL: foo:
|
||||
; X86: # %bb.0: # %entry
|
||||
; X86-NEXT: subl $12, %esp
|
||||
; X86-NEXT: calll bar
|
||||
; X86-NEXT: movb %ah, %al
|
||||
; X86-NEXT: addl $12, %esp
|
||||
; X86-NEXT: retl
|
||||
;
|
||||
; X64-LABEL: foo:
|
||||
; X64: # %bb.0: # %entry
|
||||
; X64-NEXT: pushq %rax
|
||||
; X64-NEXT: xorl %eax, %eax
|
||||
; X64-NEXT: callq bar
|
||||
; X64-NEXT: # kill: def $ax killed $ax def $eax
|
||||
; X64-NEXT: shrl $8, %eax
|
||||
; X64-NEXT: # kill: def $al killed $al killed $eax
|
||||
; X64-NEXT: popq %rcx
|
||||
; X64-NEXT: retq
|
||||
;
|
||||
; X32-LABEL: foo:
|
||||
; X32: # %bb.0: # %entry
|
||||
; X32-NEXT: pushq %rax
|
||||
; X32-NEXT: xorl %eax, %eax
|
||||
; X32-NEXT: callq bar
|
||||
; X32-NEXT: # kill: def $ax killed $ax def $eax
|
||||
; X32-NEXT: shrl $8, %eax
|
||||
; X32-NEXT: # kill: def $al killed $al killed $eax
|
||||
; X32-NEXT: popq %rcx
|
||||
; X32-NEXT: retq
|
||||
entry:
|
||||
%0 = tail call zeroext i16 (...) @bar() nounwind
|
||||
%1 = lshr i16 %0, 8
|
||||
%2 = trunc i16 %1 to i8
|
||||
ret i8 %2
|
||||
|
||||
; X86-LABEL: foo
|
||||
; X86: calll
|
||||
; X86-NEXT: movb %ah, %al
|
||||
; X86-NEXT: addl $12, %esp
|
||||
; X86-NEXT: retl
|
||||
|
||||
; X64-LABEL: foo
|
||||
; X64: callq
|
||||
; X64-NEXT: # kill
|
||||
; X64-NEXT: shrl $8, %eax
|
||||
; X64-NEXT: # kill
|
||||
; X64-NEXT: popq
|
||||
; X64-NEXT: retq
|
||||
|
||||
; X32-LABEL: foo
|
||||
; X32: callq
|
||||
; X32-NEXT: # kill
|
||||
; X32-NEXT: shrl $8, %eax
|
||||
; X32-NEXT: # kill
|
||||
; X32-NEXT: popq
|
||||
; X32-NEXT: retq
|
||||
}
|
||||
|
||||
declare zeroext i16 @bar(...)
|
||||
|
|
Loading…
Reference in New Issue