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|
; RUN: llc < %s -mtriple=arm-apple-darwin -mcpu=cortex-a8 | FileCheck %s -check-prefix=ARM
; RUN: llc < %s -mtriple=thumb-apple-darwin -mcpu=cortex-a8 | FileCheck %s -check-prefix=T2
; rdar://8662825
define i32 @t1(i32 %a, i32 %b, i32 %c) nounwind {
; ARM-LABEL: t1:
; ARM: suble r1, r1, #-2147483647
; ARM: mov r0, r1
; T2-LABEL: t1:
; T2: mvn r0, #-2147483648
; T2: addle r1, r0
; T2: mov r0, r1
%tmp1 = icmp sgt i32 %c, 10
%tmp2 = select i1 %tmp1, i32 0, i32 2147483647
%tmp3 = add i32 %tmp2, %b
ret i32 %tmp3
}
define i32 @t2(i32 %a, i32 %b, i32 %c, i32 %d) nounwind {
; ARM-LABEL: t2:
; ARM: suble r1, r1, #10
; ARM: mov r0, r1
; T2-LABEL: t2:
; T2: suble r1, #10
; T2: mov r0, r1
%tmp1 = icmp sgt i32 %c, 10
%tmp2 = select i1 %tmp1, i32 0, i32 10
%tmp3 = sub i32 %b, %tmp2
ret i32 %tmp3
}
define i32 @t3(i32 %a, i32 %b, i32 %x, i32 %y) nounwind {
; ARM-LABEL: t3:
; ARM: andge r3, r3, r2
; ARM: mov r0, r3
; T2-LABEL: t3:
; T2: andge r3, r2
; T2: mov r0, r3
%cond = icmp slt i32 %a, %b
%z = select i1 %cond, i32 -1, i32 %x
%s = and i32 %z, %y
ret i32 %s
}
define i32 @t4(i32 %a, i32 %b, i32 %x, i32 %y) nounwind {
; ARM-LABEL: t4:
; ARM: orrge r3, r3, r2
; ARM: mov r0, r3
; T2-LABEL: t4:
; T2: orrge r3, r2
; T2: mov r0, r3
%cond = icmp slt i32 %a, %b
%z = select i1 %cond, i32 0, i32 %x
%s = or i32 %z, %y
ret i32 %s
}
define i32 @t5(i32 %a, i32 %b, i32 %c) nounwind {
entry:
; ARM-LABEL: t5:
; ARM-NOT: moveq
; ARM: orreq r2, r2, #1
; T2-LABEL: t5:
; T2-NOT: moveq
; T2: orreq r2, r2, #1
%tmp1 = icmp eq i32 %a, %b
%tmp2 = zext i1 %tmp1 to i32
%tmp3 = or i32 %tmp2, %c
ret i32 %tmp3
}
define i32 @t6(i32 %a, i32 %b, i32 %c, i32 %d) nounwind {
; ARM-LABEL: t6:
; ARM-NOT: movge
; ARM: eorlt r3, r3, r2
; T2-LABEL: t6:
; T2-NOT: movge
; T2: eorlt r3, r2
%cond = icmp slt i32 %a, %b
%tmp1 = select i1 %cond, i32 %c, i32 0
%tmp2 = xor i32 %tmp1, %d
ret i32 %tmp2
}
define i32 @t7(i32 %a, i32 %b, i32 %c) nounwind {
entry:
; ARM-LABEL: t7:
; ARM-NOT: lsleq
; ARM: andeq r2, r2, r2, lsl #1
; T2-LABEL: t7:
; T2-NOT: lsleq.w
; T2: andeq.w r2, r2, r2, lsl #1
%tmp1 = shl i32 %c, 1
%cond = icmp eq i32 %a, %b
%tmp2 = select i1 %cond, i32 %tmp1, i32 -1
%tmp3 = and i32 %c, %tmp2
ret i32 %tmp3
}
; Fold ORRri into movcc.
define i32 @t8(i32 %a, i32 %b) nounwind {
; ARM-LABEL: t8:
; ARM: cmp r0, r1
; ARM: orrge r0, r1, #1
; T2-LABEL: t8:
; T2: cmp r0, r1
; T2: orrge r0, r1, #1
%x = or i32 %b, 1
%cond = icmp slt i32 %a, %b
%tmp1 = select i1 %cond, i32 %a, i32 %x
ret i32 %tmp1
}
; Fold ANDrr into movcc.
define i32 @t9(i32 %a, i32 %b, i32 %c) nounwind {
; ARM-LABEL: t9:
; ARM: cmp r0, r1
; ARM: andge r0, r1, r2
; T2-LABEL: t9:
; T2: cmp r0, r1
; T2: andge.w r0, r1, r2
%x = and i32 %b, %c
%cond = icmp slt i32 %a, %b
%tmp1 = select i1 %cond, i32 %a, i32 %x
ret i32 %tmp1
}
; Fold EORrs into movcc.
define i32 @t10(i32 %a, i32 %b, i32 %c, i32 %d) nounwind {
; ARM-LABEL: t10:
; ARM: cmp r0, r1
; ARM: eorge r0, r1, r2, lsl #7
; T2-LABEL: t10:
; T2: cmp r0, r1
; T2: eorge.w r0, r1, r2, lsl #7
%s = shl i32 %c, 7
%x = xor i32 %b, %s
%cond = icmp slt i32 %a, %b
%tmp1 = select i1 %cond, i32 %a, i32 %x
ret i32 %tmp1
}
; Fold ORRri into movcc, reversing the condition.
define i32 @t11(i32 %a, i32 %b) nounwind {
; ARM-LABEL: t11:
; ARM: cmp r0, r1
; ARM: orrlt r0, r1, #1
; T2-LABEL: t11:
; T2: cmp r0, r1
; T2: orrlt r0, r1, #1
%x = or i32 %b, 1
%cond = icmp slt i32 %a, %b
%tmp1 = select i1 %cond, i32 %x, i32 %a
ret i32 %tmp1
}
; Fold ADDri12 into movcc
define i32 @t12(i32 %a, i32 %b) nounwind {
; ARM-LABEL: t12:
; ARM: cmp r0, r1
; ARM: addge r0, r1,
; T2-LABEL: t12:
; T2: cmp r0, r1
; T2: addwge r0, r1, #3000
%x = add i32 %b, 3000
%cond = icmp slt i32 %a, %b
%tmp1 = select i1 %cond, i32 %a, i32 %x
ret i32 %tmp1
}
; Handle frame index operands.
define void @pr13628() nounwind uwtable align 2 {
%x3 = alloca i8, i32 256, align 8
%x4 = load i8* undef, align 1
%x5 = icmp ne i8 %x4, 0
%x6 = select i1 %x5, i8* %x3, i8* null
call void @bar(i8* %x6) nounwind
ret void
}
declare void @bar(i8*)
; Fold zext i1 into predicated add
define i32 @t13(i32 %c, i32 %a) nounwind readnone ssp {
entry:
; ARM: t13
; ARM: cmp r1, #10
; ARM: addgt r0, r0, #1
; T2: t13
; T2: cmp r1, #10
; T2: addgt r0, #1
%cmp = icmp sgt i32 %a, 10
%conv = zext i1 %cmp to i32
%add = add i32 %conv, %c
ret i32 %add
}
; Fold sext i1 into predicated sub
define i32 @t14(i32 %c, i32 %a) nounwind readnone ssp {
entry:
; ARM: t14
; ARM: cmp r1, #10
; ARM: subgt r0, r0, #1
; T2: t14
; T2: cmp r1, #10
; T2: subgt r0, #1
%cmp = icmp sgt i32 %a, 10
%conv = sext i1 %cmp to i32
%add = add i32 %conv, %c
ret i32 %add
}
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