You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
362 lines
5.8 KiB
362 lines
5.8 KiB
; RUN: llc -O1 -march=aarch64 < %s | FileCheck %s
|
|
|
|
declare void @t()
|
|
|
|
define void @test1(i32 %a) {
|
|
; CHECK-LABEL: @test1
|
|
entry:
|
|
%sub = add nsw i32 %a, -12
|
|
%cmp = icmp slt i32 %sub, 0
|
|
br i1 %cmp, label %if.then, label %if.end
|
|
|
|
; CHECK: sub [[CMP:w[0-9]+]], w0, #12
|
|
; CHECK: tbz [[CMP]], #31
|
|
|
|
if.then:
|
|
call void @t()
|
|
br label %if.end
|
|
|
|
if.end:
|
|
ret void
|
|
}
|
|
|
|
define void @test2(i64 %a) {
|
|
; CHECK-LABEL: @test2
|
|
entry:
|
|
%sub = add nsw i64 %a, -12
|
|
%cmp = icmp slt i64 %sub, 0
|
|
br i1 %cmp, label %if.then, label %if.end
|
|
|
|
; CHECK: sub [[CMP:x[0-9]+]], x0, #12
|
|
; CHECK: tbz [[CMP]], #63
|
|
|
|
if.then:
|
|
call void @t()
|
|
br label %if.end
|
|
|
|
if.end:
|
|
ret void
|
|
}
|
|
|
|
define void @test3(i32 %a) {
|
|
; CHECK-LABEL: @test3
|
|
entry:
|
|
%sub = add nsw i32 %a, -12
|
|
%cmp = icmp sgt i32 %sub, -1
|
|
br i1 %cmp, label %if.then, label %if.end
|
|
|
|
; CHECK: sub [[CMP:w[0-9]+]], w0, #12
|
|
; CHECK: tbnz [[CMP]], #31
|
|
|
|
if.then:
|
|
call void @t()
|
|
br label %if.end
|
|
|
|
if.end:
|
|
ret void
|
|
}
|
|
|
|
define void @test4(i64 %a) {
|
|
; CHECK-LABEL: @test4
|
|
entry:
|
|
%sub = add nsw i64 %a, -12
|
|
%cmp = icmp sgt i64 %sub, -1
|
|
br i1 %cmp, label %if.then, label %if.end
|
|
|
|
; CHECK: sub [[CMP:x[0-9]+]], x0, #12
|
|
; CHECK: tbnz [[CMP]], #63
|
|
|
|
if.then:
|
|
call void @t()
|
|
br label %if.end
|
|
|
|
if.end:
|
|
ret void
|
|
}
|
|
|
|
define void @test5(i32 %a) {
|
|
; CHECK-LABEL: @test5
|
|
entry:
|
|
%sub = add nsw i32 %a, -12
|
|
%cmp = icmp sge i32 %sub, 0
|
|
br i1 %cmp, label %if.then, label %if.end
|
|
|
|
; CHECK: sub [[CMP:w[0-9]+]], w0, #12
|
|
; CHECK: tbnz [[CMP]], #31
|
|
|
|
if.then:
|
|
call void @t()
|
|
br label %if.end
|
|
|
|
if.end:
|
|
ret void
|
|
}
|
|
|
|
define void @test6(i64 %a) {
|
|
; CHECK-LABEL: @test6
|
|
entry:
|
|
%sub = add nsw i64 %a, -12
|
|
%cmp = icmp sge i64 %sub, 0
|
|
br i1 %cmp, label %if.then, label %if.end
|
|
|
|
; CHECK: sub [[CMP:x[0-9]+]], x0, #12
|
|
; CHECK: tbnz [[CMP]], #63
|
|
|
|
if.then:
|
|
call void @t()
|
|
br label %if.end
|
|
|
|
if.end:
|
|
ret void
|
|
}
|
|
|
|
define void @test7(i32 %a) {
|
|
; CHECK-LABEL: @test7
|
|
entry:
|
|
%sub = sub nsw i32 %a, 12
|
|
%cmp = icmp slt i32 %sub, 0
|
|
br i1 %cmp, label %if.then, label %if.end
|
|
|
|
; CHECK: sub [[CMP:w[0-9]+]], w0, #12
|
|
; CHECK: tbz [[CMP]], #31
|
|
|
|
if.then:
|
|
call void @t()
|
|
br label %if.end
|
|
|
|
if.end:
|
|
ret void
|
|
}
|
|
|
|
define void @test8(i64 %val1, i64 %val2, i64 %val3) {
|
|
; CHECK-LABEL: @test8
|
|
%and1 = and i64 %val1, %val2
|
|
%tst1 = icmp slt i64 %and1, 0
|
|
br i1 %tst1, label %if.then1, label %if.end
|
|
|
|
; CHECK: tst x0, x1
|
|
; CHECK-NEXT: b.ge
|
|
|
|
if.then1:
|
|
%and2 = and i64 %val2, %val3
|
|
%tst2 = icmp sge i64 %and2, 0
|
|
br i1 %tst2, label %if.then2, label %if.end
|
|
|
|
; CHECK: and [[CMP:x[0-9]+]], x1, x2
|
|
; CHECK-NOT: cmp
|
|
; CHECK: tbnz [[CMP]], #63
|
|
|
|
if.then2:
|
|
%shifted_op1 = shl i64 %val2, 63
|
|
%shifted_and1 = and i64 %val1, %shifted_op1
|
|
%tst3 = icmp slt i64 %shifted_and1, 0
|
|
br i1 %tst3, label %if.then3, label %if.end
|
|
|
|
; CHECK: tst x0, x1, lsl #63
|
|
; CHECK: b.ge
|
|
|
|
if.then3:
|
|
%shifted_op2 = shl i64 %val2, 62
|
|
%shifted_and2 = and i64 %val1, %shifted_op2
|
|
%tst4 = icmp sge i64 %shifted_and2, 0
|
|
br i1 %tst4, label %if.then4, label %if.end
|
|
|
|
; CHECK: tst x0, x1, lsl #62
|
|
; CHECK: b.lt
|
|
|
|
if.then4:
|
|
call void @t()
|
|
br label %if.end
|
|
|
|
if.end:
|
|
ret void
|
|
}
|
|
|
|
define void @test9(i64 %val1) {
|
|
; CHECK-LABEL: @test9
|
|
%tst = icmp slt i64 %val1, 0
|
|
br i1 %tst, label %if.then, label %if.end
|
|
|
|
; CHECK-NOT: cmp
|
|
; CHECK: tbz x0, #63
|
|
|
|
if.then:
|
|
call void @t()
|
|
br label %if.end
|
|
|
|
if.end:
|
|
ret void
|
|
}
|
|
|
|
define void @test10(i64 %val1) {
|
|
; CHECK-LABEL: @test10
|
|
%tst = icmp slt i64 %val1, 0
|
|
br i1 %tst, label %if.then, label %if.end
|
|
|
|
; CHECK-NOT: cmp
|
|
; CHECK: tbz x0, #63
|
|
|
|
if.then:
|
|
call void @t()
|
|
br label %if.end
|
|
|
|
if.end:
|
|
ret void
|
|
}
|
|
|
|
define void @test11(i64 %val1, i64* %ptr) {
|
|
; CHECK-LABEL: @test11
|
|
|
|
; CHECK: ldr [[CMP:x[0-9]+]], [x1]
|
|
; CHECK-NOT: cmp
|
|
; CHECK: tbz [[CMP]], #63
|
|
|
|
%val = load i64, i64* %ptr
|
|
%tst = icmp slt i64 %val, 0
|
|
br i1 %tst, label %if.then, label %if.end
|
|
|
|
if.then:
|
|
call void @t()
|
|
br label %if.end
|
|
|
|
if.end:
|
|
ret void
|
|
}
|
|
|
|
define void @test12(i64 %val1) {
|
|
; CHECK-LABEL: @test12
|
|
%tst = icmp slt i64 %val1, 0
|
|
br i1 %tst, label %if.then, label %if.end
|
|
|
|
; CHECK-NOT: cmp
|
|
; CHECK: tbz x0, #63
|
|
|
|
if.then:
|
|
call void @t()
|
|
br label %if.end
|
|
|
|
if.end:
|
|
ret void
|
|
}
|
|
|
|
define void @test13(i64 %val1, i64 %val2) {
|
|
; CHECK-LABEL: @test13
|
|
%or = or i64 %val1, %val2
|
|
%tst = icmp slt i64 %or, 0
|
|
br i1 %tst, label %if.then, label %if.end
|
|
|
|
; CHECK: orr [[CMP:x[0-9]+]], x0, x1
|
|
; CHECK-NOT: cmp
|
|
; CHECK: tbz [[CMP]], #63
|
|
|
|
if.then:
|
|
call void @t()
|
|
br label %if.end
|
|
|
|
if.end:
|
|
ret void
|
|
}
|
|
|
|
define void @test14(i1 %cond) {
|
|
; CHECK-LABEL: @test14
|
|
br i1 %cond, label %if.end, label %if.then
|
|
|
|
; CHECK-NOT: and
|
|
; CHECK: tbnz w0, #0
|
|
|
|
if.then:
|
|
call void @t()
|
|
br label %if.end
|
|
|
|
if.end:
|
|
ret void
|
|
}
|
|
|
|
define void @test15(i1 %cond) {
|
|
; CHECK-LABEL: @test15
|
|
%cond1 = xor i1 %cond, -1
|
|
br i1 %cond1, label %if.then, label %if.end
|
|
|
|
; CHECK-NOT: movn
|
|
; CHECK: tbnz w0, #0
|
|
|
|
if.then:
|
|
call void @t()
|
|
br label %if.end
|
|
|
|
if.end:
|
|
ret void
|
|
}
|
|
|
|
define void @test16(i64 %in) {
|
|
; CHECK-LABEL: @test16
|
|
%shl = shl i64 %in, 3
|
|
%and = and i64 %shl, 32
|
|
%cond = icmp eq i64 %and, 0
|
|
br i1 %cond, label %then, label %end
|
|
|
|
; CHECK-NOT: lsl
|
|
; CHECK: tbnz w0, #2
|
|
|
|
then:
|
|
call void @t()
|
|
br label %end
|
|
|
|
end:
|
|
ret void
|
|
}
|
|
|
|
define void @test17(i64 %in) {
|
|
; CHECK-LABEL: @test17
|
|
%shr = ashr i64 %in, 3
|
|
%and = and i64 %shr, 1
|
|
%cond = icmp eq i64 %and, 0
|
|
br i1 %cond, label %then, label %end
|
|
|
|
; CHECK-NOT: lsr
|
|
; CHECK: tbnz w0, #3
|
|
|
|
then:
|
|
call void @t()
|
|
br label %end
|
|
|
|
end:
|
|
ret void
|
|
}
|
|
|
|
define void @test18(i32 %in) {
|
|
; CHECK-LABEL: @test18
|
|
%shr = ashr i32 %in, 2
|
|
%cond = icmp sge i32 %shr, 0
|
|
br i1 %cond, label %then, label %end
|
|
|
|
; CHECK-NOT: asr
|
|
; CHECK: tbnz w0, #31
|
|
|
|
then:
|
|
call void @t()
|
|
br label %end
|
|
|
|
end:
|
|
ret void
|
|
}
|
|
|
|
define void @test19(i64 %in) {
|
|
; CHECK-LABEL: @test19
|
|
%shl = lshr i64 %in, 3
|
|
%trunc = trunc i64 %shl to i32
|
|
%and = and i32 %trunc, 1
|
|
%cond = icmp eq i32 %and, 0
|
|
br i1 %cond, label %then, label %end
|
|
|
|
; CHECK-NOT: ubfx
|
|
; CHECK: tbnz w0, #3
|
|
|
|
then:
|
|
call void @t()
|
|
br label %end
|
|
|
|
end:
|
|
ret void
|
|
}
|