forked from OSchip/llvm-project
54 lines
1.1 KiB
LLVM
54 lines
1.1 KiB
LLVM
; RUN: llc -march=mipsel -mcpu=mips32r6 -disable-mips-delay-filler < %s | FileCheck %s
|
|
; RUN: llc -march=mips -mcpu=mips32r6 -disable-mips-delay-filler < %s \
|
|
; RUN: -filetype=obj -o - | llvm-objdump -d - | FileCheck %s -check-prefix=ENCODING
|
|
|
|
; bnezc and beqzc have restriction that $rt != 0
|
|
|
|
define i32 @f() {
|
|
; CHECK-LABEL: f
|
|
; CHECK-NOT: bnezc $0
|
|
|
|
%cmp = icmp eq i32 1, 1
|
|
br i1 %cmp, label %if.then, label %if.end
|
|
|
|
if.then:
|
|
ret i32 1
|
|
|
|
if.end:
|
|
ret i32 0
|
|
}
|
|
|
|
define i32 @f1() {
|
|
; CHECK-LABEL: f1
|
|
; CHECK-NOT: beqzc $0
|
|
|
|
%cmp = icmp eq i32 0, 0
|
|
br i1 %cmp, label %if.then, label %if.end
|
|
|
|
if.then:
|
|
ret i32 1
|
|
|
|
if.end:
|
|
ret i32 0
|
|
}
|
|
|
|
; We silently fixup cases where the register allocator or user has given us
|
|
; an instruction with incorrect operands that is trivially acceptable.
|
|
; beqc and bnec have the restriction that $rs < $rt.
|
|
|
|
define i32 @f2(i32 %a, i32 %b) {
|
|
; ENCODING-LABEL: f2
|
|
; ENCODING-NOT: beqc $5, $4
|
|
; ENCODING-NOT: bnec $5, $4
|
|
|
|
%cmp = icmp eq i32 %b, %a
|
|
br i1 %cmp, label %if.then, label %if.end
|
|
|
|
if.then:
|
|
ret i32 1
|
|
|
|
if.end:
|
|
ret i32 0
|
|
}
|
|
|