398 lines
8.0 KiB
LLVM
398 lines
8.0 KiB
LLVM
|
; RUN: llc -mtriple=arm-eabi %s -o - | FileCheck %s --check-prefix=ARM
|
||
|
|
|
||
|
|
; RUN: llc -mtriple=arm-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - \
|
||
|
|
; RUN: | FileCheck %s --check-prefix=ARMT2
|
||
|
|
|
||
|
|
; RUN: llc -mtriple=thumb-eabi -mcpu=cortex-m0 %s -o - \
|
||
|
|
; RUN: | FileCheck %s --check-prefix=THUMB1
|
||
|
|
|
||
|
|
; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - \
|
||
|
|
; RUN: | FileCheck %s --check-prefix=THUMB2
|
||
|
|
|
||
|
|
; RUN: llc -mtriple=thumbv8m.base-eabi %s -o - \
|
||
|
|
; RUN: | FileCheck %s --check-prefix=V8MBASE
|
||
|
|
|
||
|
|
define i32 @t1(i32 %c) nounwind readnone {
|
||
|
|
entry:
|
||
|
|
; ARM-LABEL: t1:
|
||
|
|
; ARM: mov [[R1:r[0-9]+]], #101
|
||
|
|
; ARM: orr [[R1b:r[0-9]+]], [[R1]], #256
|
||
|
|
; ARM: movgt {{r[0-1]}}, #123
|
||
|
|
|
||
|
|
; ARMT2-LABEL: t1:
|
||
|
|
; ARMT2: movw [[R:r[0-1]]], #357
|
||
|
|
; ARMT2: movwgt [[R]], #123
|
||
|
|
|
||
|
|
; THUMB1-LABEL: t1:
|
||
|
|
; THUMB1: cmp r0, #1
|
||
|
|
; THUMB1: bgt .LBB0_2
|
||
|
|
|
||
|
|
; THUMB2-LABEL: t1:
|
||
|
|
; THUMB2: movw [[R:r[0-1]]], #357
|
||
|
|
; THUMB2: movgt [[R]], #123
|
||
|
|
|
||
|
|
%0 = icmp sgt i32 %c, 1
|
||
|
|
%1 = select i1 %0, i32 123, i32 357
|
||
|
|
ret i32 %1
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32 @t2(i32 %c) nounwind readnone {
|
||
|
|
entry:
|
||
|
|
; ARM-LABEL: t2:
|
||
|
|
; ARM: mov [[R:r[0-9]+]], #101
|
||
|
|
; ARM: orr [[R]], [[R]], #256
|
||
|
|
; ARM: movle [[R]], #123
|
||
|
|
|
||
|
|
; ARMT2-LABEL: t2:
|
||
|
|
; ARMT2: mov [[R:r[0-1]]], #123
|
||
|
|
; ARMT2: movwgt [[R]], #357
|
||
|
|
|
||
|
|
; THUMB1-LABEL: t2:
|
||
|
|
; THUMB1: cmp r{{[0-9]+}}, #1
|
||
|
|
; THUMB1: bgt
|
||
|
|
|
||
|
|
; THUMB2-LABEL: t2:
|
||
|
|
; THUMB2: mov{{(s|\.w)}} [[R:r[0-1]]], #123
|
||
|
|
; THUMB2: movwgt [[R]], #357
|
||
|
|
|
||
|
|
%0 = icmp sgt i32 %c, 1
|
||
|
|
%1 = select i1 %0, i32 357, i32 123
|
||
|
|
ret i32 %1
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32 @t3(i32 %a) nounwind readnone {
|
||
|
|
entry:
|
||
|
|
; ARM-LABEL: t3:
|
||
|
|
; ARM: rsbs r1, r0, #0
|
||
|
|
; ARM: adc r0, r0, r1
|
||
|
|
|
||
|
|
; ARMT2-LABEL: t3:
|
||
|
|
; ARMT2: clz r0, r0
|
||
|
|
; ARMT2: lsr r0, r0, #5
|
||
|
|
|
||
|
|
; THUMB1-LABEL: t3:
|
||
|
|
; THUMB1: rsbs r1, r0, #0
|
||
|
|
; THUMB1: adcs r0, r1
|
||
|
|
|
||
|
|
; THUMB2-LABEL: t3:
|
||
|
|
; THUMB2: clz r0, r0
|
||
|
|
; THUMB2: lsrs r0, r0, #5
|
||
|
|
%0 = icmp eq i32 %a, 160
|
||
|
|
%1 = zext i1 %0 to i32
|
||
|
|
ret i32 %1
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32 @t4(i32 %a, i32 %b, i32 %x) nounwind {
|
||
|
|
entry:
|
||
|
|
; ARM-LABEL: t4:
|
||
|
|
; ARM: mvn [[R0:r[0-9]+]], #170
|
||
|
|
; ARM: sub [[R0:r[0-9]+]], [[R0:r[0-9]+]], #11141120
|
||
|
|
; ARM: mov{{lt|ge}}
|
||
|
|
|
||
|
|
; ARMT2-LABEL: t4:
|
||
|
|
; ARMT2: movwlt [[R0:r[0-9]+]], #65365
|
||
|
|
; ARMT2: movtlt [[R0]], #65365
|
||
|
|
|
||
|
|
; THUMB1-LABEL: t4:
|
||
|
|
; THUMB1: cmp r{{[0-9]+}}, r{{[0-9]+}}
|
||
|
|
; THUMB1: b{{lt|ge}}
|
||
|
|
|
||
|
|
; THUMB2-LABEL: t4:
|
||
|
|
; THUMB2: mvnlt [[R0:r[0-9]+]], #11141290
|
||
|
|
%0 = icmp slt i32 %a, %b
|
||
|
|
%1 = select i1 %0, i32 4283826005, i32 %x
|
||
|
|
ret i32 %1
|
||
|
|
}
|
||
|
|
|
||
|
|
; rdar://9758317
|
||
|
|
define i32 @t5(i32 %a) nounwind {
|
||
|
|
entry:
|
||
|
|
; ARM-LABEL: t5:
|
||
|
|
; ARM-NOT: mov
|
||
|
|
; ARM: sub r0, r0, #1
|
||
|
|
; ARM-NOT: mov
|
||
|
|
; ARM: rsbs r1, r0, #0
|
||
|
|
; ARM: adc r0, r0, r1
|
||
|
|
|
||
|
|
; THUMB1-LABEL: t5:
|
||
|
|
; THUMB1-NOT: bne
|
||
|
|
; THUMB1: rsbs r0, r1, #0
|
||
|
|
; THUMB1: adcs r0, r1
|
||
|
|
|
||
|
|
; THUMB2-LABEL: t5:
|
||
|
|
; THUMB2-NOT: mov
|
||
|
|
; THUMB2: subs r0, #1
|
||
|
|
; THUMB2: clz r0, r0
|
||
|
|
; THUMB2: lsrs r0, r0, #5
|
||
|
|
|
||
|
|
%cmp = icmp eq i32 %a, 1
|
||
|
|
%conv = zext i1 %cmp to i32
|
||
|
|
ret i32 %conv
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32 @t6(i32 %a) nounwind {
|
||
|
|
entry:
|
||
|
|
; ARM-LABEL: t6:
|
||
|
|
; ARM-NOT: mov
|
||
|
|
; ARM: cmp r0, #0
|
||
|
|
; ARM: movne r0, #1
|
||
|
|
|
||
|
|
; THUMB1-LABEL: t6:
|
||
|
|
; THUMB1: subs r1, r0, #1
|
||
|
|
; THUMB1: sbcs r0, r1
|
||
|
|
|
||
|
|
; THUMB2-LABEL: t6:
|
||
|
|
; THUMB2-NOT: mov
|
||
|
|
; THUMB2: cmp r0, #0
|
||
|
|
; THUMB2: it ne
|
||
|
|
; THUMB2: movne r0, #1
|
||
|
|
%tobool = icmp ne i32 %a, 0
|
||
|
|
%lnot.ext = zext i1 %tobool to i32
|
||
|
|
ret i32 %lnot.ext
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32 @t7(i32 %a, i32 %b) nounwind readnone {
|
||
|
|
entry:
|
||
|
|
; ARM-LABEL: t7:
|
||
|
|
; ARM: subs r0, r0, r1
|
||
|
|
; ARM: movne r0, #1
|
||
|
|
; ARM: lsl r0, r0, #2
|
||
|
|
|
||
|
|
; ARMT2-LABEL: t7:
|
||
|
|
; ARMT2: subs r0, r0, r1
|
||
|
|
; ARMT2: movwne r0, #1
|
||
|
|
; ARMT2: lsl r0, r0, #2
|
||
|
|
|
||
|
|
; THUMB1-LABEL: t7:
|
||
|
|
; THUMB1: subs r0, r0, r1
|
||
|
|
; THUMB1: subs r1, r0, #1
|
||
|
|
; THUMB1: sbcs r0, r1
|
||
|
|
; THUMB1: lsls r0, r0, #2
|
||
|
|
|
||
|
|
; THUMB2-LABEL: t7:
|
||
|
|
; THUMB2: subs r0, r0, r1
|
||
|
|
; THUMB2: it ne
|
||
|
|
; THUMB2: movne r0, #1
|
||
|
|
; THUMB2: lsls r0, r0, #2
|
||
|
|
%0 = icmp ne i32 %a, %b
|
||
|
|
%1 = select i1 %0, i32 4, i32 0
|
||
|
|
ret i32 %1
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @t8(i32 %a) {
|
||
|
|
entry:
|
||
|
|
|
||
|
|
; ARM scheduler emits icmp/zext before both calls, so isn't relevant
|
||
|
|
|
||
|
|
; ARMT2-LABEL: t8:
|
||
|
|
; ARMT2: bl t7
|
||
|
|
; ARMT2: mov r1, r0
|
||
|
|
; ARMT2: sub r0, r4, #5
|
||
|
|
; ARMT2: clz r0, r0
|
||
|
|
; ARMT2: lsr r0, r0, #5
|
||
|
|
|
||
|
|
; THUMB1-LABEL: t8:
|
||
|
|
; THUMB1: bl t7
|
||
|
|
; THUMB1: mov r1, r0
|
||
|
|
; THUMB1: subs r2, r4, #5
|
||
|
|
; THUMB1: rsbs r0, r2, #0
|
||
|
|
; THUMB1: adcs r0, r2
|
||
|
|
|
||
|
|
; THUMB2-LABEL: t8:
|
||
|
|
; THUMB2: bl t7
|
||
|
|
; THUMB2: mov r1, r0
|
||
|
|
; THUMB2: subs r0, r4, #5
|
||
|
|
; THUMB2: clz r0, r0
|
||
|
|
; THUMB2: lsrs r0, r0, #5
|
||
|
|
|
||
|
|
%cmp = icmp eq i32 %a, 5
|
||
|
|
%conv = zext i1 %cmp to i32
|
||
|
|
%call = tail call i32 @t7(i32 9, i32 %a)
|
||
|
|
tail call i32 @t7(i32 %conv, i32 %call)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @t9(i8* %a, i8 %b) {
|
||
|
|
entry:
|
||
|
|
|
||
|
|
; ARM scheduler emits icmp/zext before both calls, so isn't relevant
|
||
|
|
|
||
|
|
; ARMT2-LABEL: t9:
|
||
|
|
; ARMT2: bl f
|
||
|
|
; ARMT2: uxtb r0, r4
|
||
|
|
; ARMT2: cmp r0, r0
|
||
|
|
; ARMT2: add r1, r4, #1
|
||
|
|
; ARMT2: mov r2, r0
|
||
|
|
; ARMT2: add r2, r2, #1
|
||
|
|
; ARMT2: add r1, r1, #1
|
||
|
|
; ARMT2: uxtb r3, r2
|
||
|
|
; ARMT2: cmp r3, r0
|
||
|
|
|
||
|
|
; THUMB1-LABEL: t9:
|
||
|
|
; THUMB1: bl f
|
||
|
|
; THUMB1: sxtb r1, r4
|
||
|
|
; THUMB1: uxtb r0, r1
|
||
|
|
; THUMB1: cmp r0, r0
|
||
|
|
; THUMB1: adds r1, r1, #1
|
||
|
|
; THUMB1: mov r2, r0
|
||
|
|
; THUMB1: adds r1, r1, #1
|
||
|
|
; THUMB1: adds r2, r2, #1
|
||
|
|
; THUMB1: uxtb r3, r2
|
||
|
|
; THUMB1: cmp r3, r0
|
||
|
|
|
||
|
|
; THUMB2-LABEL: t9:
|
||
|
|
; THUMB2: bl f
|
||
|
|
; THUMB2: uxtb r0, r4
|
||
|
|
; THUMB2: cmp r0, r0
|
||
|
|
; THUMB2: adds r1, r4, #1
|
||
|
|
; THUMB2: mov r2, r0
|
||
|
|
; THUMB2: adds r2, #1
|
||
|
|
; THUMB2: adds r1, #1
|
||
|
|
; THUMB2: uxtb r3, r2
|
||
|
|
; THUMB2: cmp r3, r0
|
||
|
|
|
||
|
|
%0 = load i8, i8* %a
|
||
|
|
%conv = sext i8 %0 to i32
|
||
|
|
%conv119 = zext i8 %0 to i32
|
||
|
|
%conv522 = and i32 %conv, 255
|
||
|
|
%cmp723 = icmp eq i32 %conv522, %conv119
|
||
|
|
tail call void @f(i1 zeroext %cmp723)
|
||
|
|
br i1 %cmp723, label %while.body, label %while.end
|
||
|
|
|
||
|
|
while.body: ; preds = %entry, %while.body
|
||
|
|
%ref.025 = phi i8 [ %inc9, %while.body ], [ %0, %entry ]
|
||
|
|
%in.024 = phi i32 [ %inc, %while.body ], [ %conv, %entry ]
|
||
|
|
%inc = add i32 %in.024, 1
|
||
|
|
%inc9 = add i8 %ref.025, 1
|
||
|
|
%conv1 = zext i8 %inc9 to i32
|
||
|
|
%cmp = icmp slt i32 %conv1, %conv119
|
||
|
|
%conv5 = and i32 %inc, 255
|
||
|
|
br i1 %cmp, label %while.body, label %while.end
|
||
|
|
|
||
|
|
while.end:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @f(i1 zeroext)
|
||
|
|
|
||
|
|
|
||
|
|
define i1 @t10() {
|
||
|
|
entry:
|
||
|
|
%q = alloca i32
|
||
|
|
%p = alloca i32
|
||
|
|
store i32 -3, i32* %q
|
||
|
|
store i32 -8, i32* %p
|
||
|
|
%0 = load i32, i32* %q
|
||
|
|
%1 = load i32, i32* %p
|
||
|
|
%div = sdiv i32 %0, %1
|
||
|
|
%mul = mul nsw i32 %div, %1
|
||
|
|
%rem = srem i32 %0, %1
|
||
|
|
%add = add nsw i32 %mul, %rem
|
||
|
|
%cmp = icmp eq i32 %add, %0
|
||
|
|
ret i1 %cmp
|
||
|
|
|
||
|
|
; ARM-LABEL: t10:
|
||
|
|
; ARM: rsbs r1, r0, #0
|
||
|
|
; ARM: adc r0, r0, r1
|
||
|
|
|
||
|
|
; ARMT2-LABEL: t10:
|
||
|
|
; ARMT2: clz r0, r0
|
||
|
|
; ARMT2: lsr r0, r0, #5
|
||
|
|
|
||
|
|
; THUMB1-LABEL: t10:
|
||
|
|
; THUMB1: rsbs r0, r1, #0
|
||
|
|
; THUMB1: adcs r0, r1
|
||
|
|
|
||
|
|
; THUMB2-LABEL: t10:
|
||
|
|
; THUMB2: clz r0, r0
|
||
|
|
; THUMB2: lsrs r0, r0, #5
|
||
|
|
|
||
|
|
; V8MBASE-LABEL: t10:
|
||
|
|
; V8MBASE-NOT: movs r0, #0
|
||
|
|
; V8MBASE: movs r0, #7
|
||
|
|
}
|
||
|
|
|
||
|
|
define i1 @t11() {
|
||
|
|
entry:
|
||
|
|
%bit = alloca i32
|
||
|
|
%load = load i32, i32* %bit
|
||
|
|
%clear = and i32 %load, -4096
|
||
|
|
%set = or i32 %clear, 33
|
||
|
|
store i32 %set, i32* %bit
|
||
|
|
%load1 = load i32, i32* %bit
|
||
|
|
%clear2 = and i32 %load1, -33550337
|
||
|
|
%set3 = or i32 %clear2, 40960
|
||
|
|
%clear5 = and i32 %set3, 4095
|
||
|
|
%rem = srem i32 %clear5, 10
|
||
|
|
%clear9 = and i32 %set3, -4096
|
||
|
|
%set10 = or i32 %clear9, %rem
|
||
|
|
store i32 %set10, i32* %bit
|
||
|
|
%clear12 = and i32 %set10, 4095
|
||
|
|
%cmp = icmp eq i32 %clear12, 3
|
||
|
|
ret i1 %cmp
|
||
|
|
|
||
|
|
; ARM-LABEL: t11:
|
||
|
|
; ARM: rsbs r1, r0, #0
|
||
|
|
; ARM: adc r0, r0, r1
|
||
|
|
|
||
|
|
; ARMT2-LABEL: t11:
|
||
|
|
; ARMT2: clz r0, r0
|
||
|
|
; ARMT2: lsr r0, r0, #5
|
||
|
|
|
||
|
|
; THUMB1-LABEL: t11:
|
||
|
|
; THUMB1-NOT: movs r0, #0
|
||
|
|
; THUMB1: movs r0, #5
|
||
|
|
|
||
|
|
; THUMB2-LABEL: t11:
|
||
|
|
; THUMB2: clz r0, r0
|
||
|
|
; THUMB2: lsrs r0, r0, #5
|
||
|
|
|
||
|
|
; V8MBASE-LABEL: t11:
|
||
|
|
; V8MBASE-NOT: movs r0, #0
|
||
|
|
; V8MBASE: movw r0, #40960
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32 @t12(i32 %a) nounwind {
|
||
|
|
entry:
|
||
|
|
; ARM-LABEL: t12:
|
||
|
|
; ARM-NOT: mov
|
||
|
|
; ARM: cmp r0, #0
|
||
|
|
; ARM: movne r0, #1
|
||
|
|
|
||
|
|
; THUMB1-LABEL: t12:
|
||
|
|
; THUMB1: subs r1, r0, #1
|
||
|
|
; THUMB1: sbcs r0, r1
|
||
|
|
; THUMB1: lsls r0, r0, #1
|
||
|
|
|
||
|
|
; THUMB2-LABEL: t12:
|
||
|
|
; THUMB2-NOT: mov
|
||
|
|
; THUMB2: cmp r0, #0
|
||
|
|
; THUMB2: it ne
|
||
|
|
; THUMB2: movne r0, #1
|
||
|
|
%tobool = icmp ne i32 %a, 0
|
||
|
|
%lnot.ext = select i1 %tobool, i32 2, i32 0
|
||
|
|
ret i32 %lnot.ext
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32 @t13(i32 %a) nounwind {
|
||
|
|
entry:
|
||
|
|
; ARM-LABEL: t13:
|
||
|
|
; ARM-NOT: mov
|
||
|
|
; ARM: cmp r0, #0
|
||
|
|
; ARM: movne r0, #3
|
||
|
|
|
||
|
|
; THUMB1-LABEL: t13:
|
||
|
|
; THUMB1: cmp r0, #0
|
||
|
|
; THUMB1: beq
|
||
|
|
; THUMB1: movs r0, #3
|
||
|
|
|
||
|
|
; THUMB2-LABEL: t13:
|
||
|
|
; THUMB2-NOT: mov
|
||
|
|
; THUMB2: cmp r0, #0
|
||
|
|
; THUMB2: it ne
|
||
|
|
; THUMB2: movne r0, #3
|
||
|
|
%tobool = icmp ne i32 %a, 0
|
||
|
|
%lnot.ext = select i1 %tobool, i32 3, i32 0
|
||
|
|
ret i32 %lnot.ext
|
||
|
|
}
|