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llvm/test/CodeGen/AArch64/arm64-xaluo.ll
Juergen Ributzka ef48b51126 Fix previous commit: [FastISel][AArch64] Simplify XALU multiplies.
When folding the intrinsic flag into the branch or select we also have to
consider the fact if the intrinsic got simplified, because it changes the
flag we have to check for.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218034 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-18 07:26:26 +00:00

672 lines
19 KiB
LLVM

; RUN: llc -march=arm64 -aarch64-atomic-cfg-tidy=0 -verify-machineinstrs < %s | FileCheck %s
; RUN: llc -march=arm64 -aarch64-atomic-cfg-tidy=0 -fast-isel -fast-isel-abort -verify-machineinstrs < %s | FileCheck %s
;
; Get the actual value of the overflow bit.
;
define zeroext i1 @saddo1.i32(i32 %v1, i32 %v2, i32* %res) {
entry:
; CHECK-LABEL: saddo1.i32
; CHECK: adds {{w[0-9]+}}, w0, w1
; CHECK-NEXT: cset {{w[0-9]+}}, vs
%t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2)
%val = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, i1} %t, 1
store i32 %val, i32* %res
ret i1 %obit
}
; Test the immediate version.
define zeroext i1 @saddo2.i32(i32 %v1, i32* %res) {
entry:
; CHECK-LABEL: saddo2.i32
; CHECK: adds {{w[0-9]+}}, w0, #4
; CHECK-NEXT: cset {{w[0-9]+}}, vs
%t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 4)
%val = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, i1} %t, 1
store i32 %val, i32* %res
ret i1 %obit
}
; Test negative immediates.
define zeroext i1 @saddo3.i32(i32 %v1, i32* %res) {
entry:
; CHECK-LABEL: saddo3.i32
; CHECK: subs {{w[0-9]+}}, w0, #4
; CHECK-NEXT: cset {{w[0-9]+}}, vs
%t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 -4)
%val = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, i1} %t, 1
store i32 %val, i32* %res
ret i1 %obit
}
; Test immediates that are too large to be encoded.
define zeroext i1 @saddo4.i32(i32 %v1, i32* %res) {
entry:
; CHECK-LABEL: saddo4.i32
; CHECK: adds {{w[0-9]+}}, w0, {{w[0-9]+}}
; CHECK-NEXT: cset {{w[0-9]+}}, vs
%t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 16777215)
%val = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, i1} %t, 1
store i32 %val, i32* %res
ret i1 %obit
}
; Test shift folding.
define zeroext i1 @saddo5.i32(i32 %v1, i32 %v2, i32* %res) {
entry:
; CHECK-LABEL: saddo5.i32
; CHECK: adds {{w[0-9]+}}, w0, w1
; CHECK-NEXT: cset {{w[0-9]+}}, vs
%lsl = shl i32 %v2, 16
%t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %lsl)
%val = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, i1} %t, 1
store i32 %val, i32* %res
ret i1 %obit
}
define zeroext i1 @saddo1.i64(i64 %v1, i64 %v2, i64* %res) {
entry:
; CHECK-LABEL: saddo1.i64
; CHECK: adds {{x[0-9]+}}, x0, x1
; CHECK-NEXT: cset {{w[0-9]+}}, vs
%t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 %v2)
%val = extractvalue {i64, i1} %t, 0
%obit = extractvalue {i64, i1} %t, 1
store i64 %val, i64* %res
ret i1 %obit
}
define zeroext i1 @saddo2.i64(i64 %v1, i64* %res) {
entry:
; CHECK-LABEL: saddo2.i64
; CHECK: adds {{x[0-9]+}}, x0, #4
; CHECK-NEXT: cset {{w[0-9]+}}, vs
%t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 4)
%val = extractvalue {i64, i1} %t, 0
%obit = extractvalue {i64, i1} %t, 1
store i64 %val, i64* %res
ret i1 %obit
}
define zeroext i1 @saddo3.i64(i64 %v1, i64* %res) {
entry:
; CHECK-LABEL: saddo3.i64
; CHECK: subs {{x[0-9]+}}, x0, #4
; CHECK-NEXT: cset {{w[0-9]+}}, vs
%t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 -4)
%val = extractvalue {i64, i1} %t, 0
%obit = extractvalue {i64, i1} %t, 1
store i64 %val, i64* %res
ret i1 %obit
}
define zeroext i1 @uaddo.i32(i32 %v1, i32 %v2, i32* %res) {
entry:
; CHECK-LABEL: uaddo.i32
; CHECK: adds {{w[0-9]+}}, w0, w1
; CHECK-NEXT: cset {{w[0-9]+}}, hs
%t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
%val = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, i1} %t, 1
store i32 %val, i32* %res
ret i1 %obit
}
define zeroext i1 @uaddo.i64(i64 %v1, i64 %v2, i64* %res) {
entry:
; CHECK-LABEL: uaddo.i64
; CHECK: adds {{x[0-9]+}}, x0, x1
; CHECK-NEXT: cset {{w[0-9]+}}, hs
%t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 %v2)
%val = extractvalue {i64, i1} %t, 0
%obit = extractvalue {i64, i1} %t, 1
store i64 %val, i64* %res
ret i1 %obit
}
define zeroext i1 @ssubo1.i32(i32 %v1, i32 %v2, i32* %res) {
entry:
; CHECK-LABEL: ssubo1.i32
; CHECK: subs {{w[0-9]+}}, w0, w1
; CHECK-NEXT: cset {{w[0-9]+}}, vs
%t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 %v2)
%val = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, i1} %t, 1
store i32 %val, i32* %res
ret i1 %obit
}
define zeroext i1 @ssubo2.i32(i32 %v1, i32* %res) {
entry:
; CHECK-LABEL: ssubo2.i32
; CHECK: adds {{w[0-9]+}}, w0, #4
; CHECK-NEXT: cset {{w[0-9]+}}, vs
%t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 -4)
%val = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, i1} %t, 1
store i32 %val, i32* %res
ret i1 %obit
}
define zeroext i1 @ssubo.i64(i64 %v1, i64 %v2, i64* %res) {
entry:
; CHECK-LABEL: ssubo.i64
; CHECK: subs {{x[0-9]+}}, x0, x1
; CHECK-NEXT: cset {{w[0-9]+}}, vs
%t = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %v1, i64 %v2)
%val = extractvalue {i64, i1} %t, 0
%obit = extractvalue {i64, i1} %t, 1
store i64 %val, i64* %res
ret i1 %obit
}
define zeroext i1 @usubo.i32(i32 %v1, i32 %v2, i32* %res) {
entry:
; CHECK-LABEL: usubo.i32
; CHECK: subs {{w[0-9]+}}, w0, w1
; CHECK-NEXT: cset {{w[0-9]+}}, lo
%t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %v1, i32 %v2)
%val = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, i1} %t, 1
store i32 %val, i32* %res
ret i1 %obit
}
define zeroext i1 @usubo.i64(i64 %v1, i64 %v2, i64* %res) {
entry:
; CHECK-LABEL: usubo.i64
; CHECK: subs {{x[0-9]+}}, x0, x1
; CHECK-NEXT: cset {{w[0-9]+}}, lo
%t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %v1, i64 %v2)
%val = extractvalue {i64, i1} %t, 0
%obit = extractvalue {i64, i1} %t, 1
store i64 %val, i64* %res
ret i1 %obit
}
define zeroext i1 @smulo.i32(i32 %v1, i32 %v2, i32* %res) {
entry:
; CHECK-LABEL: smulo.i32
; CHECK: smull x[[MREG:[0-9]+]], w0, w1
; CHECK-NEXT: lsr x[[SREG:[0-9]+]], x[[MREG]], #32
; CHECK-NEXT: cmp w[[SREG]], w[[MREG]], asr #31
; CHECK-NEXT: cset {{w[0-9]+}}, ne
%t = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %v1, i32 %v2)
%val = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, i1} %t, 1
store i32 %val, i32* %res
ret i1 %obit
}
define zeroext i1 @smulo.i64(i64 %v1, i64 %v2, i64* %res) {
entry:
; CHECK-LABEL: smulo.i64
; CHECK: mul [[MREG:x[0-9]+]], x0, x1
; CHECK-NEXT: smulh [[HREG:x[0-9]+]], x0, x1
; CHECK-NEXT: cmp [[HREG]], [[MREG]], asr #63
; CHECK-NEXT: cset {{w[0-9]+}}, ne
%t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 %v2)
%val = extractvalue {i64, i1} %t, 0
%obit = extractvalue {i64, i1} %t, 1
store i64 %val, i64* %res
ret i1 %obit
}
define zeroext i1 @smulo2.i64(i64 %v1, i64* %res) {
entry:
; CHECK-LABEL: smulo2.i64
; CHECK: adds [[MREG:x[0-9]+]], x0, x0
; CHECK-NEXT: cset {{w[0-9]+}}, vs
%t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 2)
%val = extractvalue {i64, i1} %t, 0
%obit = extractvalue {i64, i1} %t, 1
store i64 %val, i64* %res
ret i1 %obit
}
define zeroext i1 @umulo.i32(i32 %v1, i32 %v2, i32* %res) {
entry:
; CHECK-LABEL: umulo.i32
; CHECK: umull [[MREG:x[0-9]+]], w0, w1
; CHECK-NEXT: cmp xzr, [[MREG]], lsr #32
; CHECK-NEXT: cset {{w[0-9]+}}, ne
%t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2)
%val = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, i1} %t, 1
store i32 %val, i32* %res
ret i1 %obit
}
define zeroext i1 @umulo.i64(i64 %v1, i64 %v2, i64* %res) {
entry:
; CHECK-LABEL: umulo.i64
; CHECK: umulh [[MREG:x[0-9]+]], x0, x1
; CHECK-NEXT: cmp xzr, [[MREG]]
; CHECK-NEXT: cset {{w[0-9]+}}, ne
%t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 %v2)
%val = extractvalue {i64, i1} %t, 0
%obit = extractvalue {i64, i1} %t, 1
store i64 %val, i64* %res
ret i1 %obit
}
define zeroext i1 @umulo2.i64(i64 %v1, i64* %res) {
entry:
; CHECK-LABEL: umulo2.i64
; CHECK: adds [[MREG:x[0-9]+]], x0, x0
; CHECK-NEXT: cset {{w[0-9]+}}, hs
%t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 2)
%val = extractvalue {i64, i1} %t, 0
%obit = extractvalue {i64, i1} %t, 1
store i64 %val, i64* %res
ret i1 %obit
}
;
; Check the use of the overflow bit in combination with a select instruction.
;
define i32 @saddo.select.i32(i32 %v1, i32 %v2) {
entry:
; CHECK-LABEL: saddo.select.i32
; CHECK: cmn w0, w1
; CHECK-NEXT: csel w0, w0, w1, vs
%t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2)
%obit = extractvalue {i32, i1} %t, 1
%ret = select i1 %obit, i32 %v1, i32 %v2
ret i32 %ret
}
define i64 @saddo.select.i64(i64 %v1, i64 %v2) {
entry:
; CHECK-LABEL: saddo.select.i64
; CHECK: cmn x0, x1
; CHECK-NEXT: csel x0, x0, x1, vs
%t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 %v2)
%obit = extractvalue {i64, i1} %t, 1
%ret = select i1 %obit, i64 %v1, i64 %v2
ret i64 %ret
}
define i32 @uaddo.select.i32(i32 %v1, i32 %v2) {
entry:
; CHECK-LABEL: uaddo.select.i32
; CHECK: cmn w0, w1
; CHECK-NEXT: csel w0, w0, w1, hs
%t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
%obit = extractvalue {i32, i1} %t, 1
%ret = select i1 %obit, i32 %v1, i32 %v2
ret i32 %ret
}
define i64 @uaddo.select.i64(i64 %v1, i64 %v2) {
entry:
; CHECK-LABEL: uaddo.select.i64
; CHECK: cmn x0, x1
; CHECK-NEXT: csel x0, x0, x1, hs
%t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 %v2)
%obit = extractvalue {i64, i1} %t, 1
%ret = select i1 %obit, i64 %v1, i64 %v2
ret i64 %ret
}
define i32 @ssubo.select.i32(i32 %v1, i32 %v2) {
entry:
; CHECK-LABEL: ssubo.select.i32
; CHECK: cmp w0, w1
; CHECK-NEXT: csel w0, w0, w1, vs
%t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 %v2)
%obit = extractvalue {i32, i1} %t, 1
%ret = select i1 %obit, i32 %v1, i32 %v2
ret i32 %ret
}
define i64 @ssubo.select.i64(i64 %v1, i64 %v2) {
entry:
; CHECK-LABEL: ssubo.select.i64
; CHECK: cmp x0, x1
; CHECK-NEXT: csel x0, x0, x1, vs
%t = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %v1, i64 %v2)
%obit = extractvalue {i64, i1} %t, 1
%ret = select i1 %obit, i64 %v1, i64 %v2
ret i64 %ret
}
define i32 @usubo.select.i32(i32 %v1, i32 %v2) {
entry:
; CHECK-LABEL: usubo.select.i32
; CHECK: cmp w0, w1
; CHECK-NEXT: csel w0, w0, w1, lo
%t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %v1, i32 %v2)
%obit = extractvalue {i32, i1} %t, 1
%ret = select i1 %obit, i32 %v1, i32 %v2
ret i32 %ret
}
define i64 @usubo.select.i64(i64 %v1, i64 %v2) {
entry:
; CHECK-LABEL: usubo.select.i64
; CHECK: cmp x0, x1
; CHECK-NEXT: csel x0, x0, x1, lo
%t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %v1, i64 %v2)
%obit = extractvalue {i64, i1} %t, 1
%ret = select i1 %obit, i64 %v1, i64 %v2
ret i64 %ret
}
define i32 @smulo.select.i32(i32 %v1, i32 %v2) {
entry:
; CHECK-LABEL: smulo.select.i32
; CHECK: smull x[[MREG:[0-9]+]], w0, w1
; CHECK-NEXT: lsr x[[SREG:[0-9]+]], x[[MREG]], #32
; CHECK-NEXT: cmp w[[SREG]], w[[MREG]], asr #31
; CHECK-NEXT: csel w0, w0, w1, ne
%t = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %v1, i32 %v2)
%obit = extractvalue {i32, i1} %t, 1
%ret = select i1 %obit, i32 %v1, i32 %v2
ret i32 %ret
}
define i64 @smulo.select.i64(i64 %v1, i64 %v2) {
entry:
; CHECK-LABEL: smulo.select.i64
; CHECK: mul [[MREG:x[0-9]+]], x0, x1
; CHECK-NEXT: smulh [[HREG:x[0-9]+]], x0, x1
; CHECK-NEXT: cmp [[HREG]], [[MREG]], asr #63
; CHECK-NEXT: csel x0, x0, x1, ne
%t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 %v2)
%obit = extractvalue {i64, i1} %t, 1
%ret = select i1 %obit, i64 %v1, i64 %v2
ret i64 %ret
}
define i32 @umulo.select.i32(i32 %v1, i32 %v2) {
entry:
; CHECK-LABEL: umulo.select.i32
; CHECK: umull [[MREG:x[0-9]+]], w0, w1
; CHECK-NEXT: cmp xzr, [[MREG]], lsr #32
; CHECK-NEXT: csel w0, w0, w1, ne
%t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2)
%obit = extractvalue {i32, i1} %t, 1
%ret = select i1 %obit, i32 %v1, i32 %v2
ret i32 %ret
}
define i64 @umulo.select.i64(i64 %v1, i64 %v2) {
entry:
; CHECK-LABEL: umulo.select.i64
; CHECK: umulh [[MREG:x[0-9]+]], x0, x1
; CHECK-NEXT: cmp xzr, [[MREG]]
; CHECK-NEXT: csel x0, x0, x1, ne
%t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 %v2)
%obit = extractvalue {i64, i1} %t, 1
%ret = select i1 %obit, i64 %v1, i64 %v2
ret i64 %ret
}
;
; Check the use of the overflow bit in combination with a branch instruction.
;
define zeroext i1 @saddo.br.i32(i32 %v1, i32 %v2) {
entry:
; CHECK-LABEL: saddo.br.i32
; CHECK: cmn w0, w1
; CHECK-NEXT: b.vc
%t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2)
%val = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, i1} %t, 1
br i1 %obit, label %overflow, label %continue
overflow:
ret i1 false
continue:
ret i1 true
}
define zeroext i1 @saddo.br.i64(i64 %v1, i64 %v2) {
entry:
; CHECK-LABEL: saddo.br.i64
; CHECK: cmn x0, x1
; CHECK-NEXT: b.vc
%t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 %v2)
%val = extractvalue {i64, i1} %t, 0
%obit = extractvalue {i64, i1} %t, 1
br i1 %obit, label %overflow, label %continue
overflow:
ret i1 false
continue:
ret i1 true
}
define zeroext i1 @uaddo.br.i32(i32 %v1, i32 %v2) {
entry:
; CHECK-LABEL: uaddo.br.i32
; CHECK: cmn w0, w1
; CHECK-NEXT: b.lo
%t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
%val = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, i1} %t, 1
br i1 %obit, label %overflow, label %continue
overflow:
ret i1 false
continue:
ret i1 true
}
define zeroext i1 @uaddo.br.i64(i64 %v1, i64 %v2) {
entry:
; CHECK-LABEL: uaddo.br.i64
; CHECK: cmn x0, x1
; CHECK-NEXT: b.lo
%t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 %v2)
%val = extractvalue {i64, i1} %t, 0
%obit = extractvalue {i64, i1} %t, 1
br i1 %obit, label %overflow, label %continue
overflow:
ret i1 false
continue:
ret i1 true
}
define zeroext i1 @ssubo.br.i32(i32 %v1, i32 %v2) {
entry:
; CHECK-LABEL: ssubo.br.i32
; CHECK: cmp w0, w1
; CHECK-NEXT: b.vc
%t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 %v2)
%val = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, i1} %t, 1
br i1 %obit, label %overflow, label %continue
overflow:
ret i1 false
continue:
ret i1 true
}
define zeroext i1 @ssubo.br.i64(i64 %v1, i64 %v2) {
entry:
; CHECK-LABEL: ssubo.br.i64
; CHECK: cmp x0, x1
; CHECK-NEXT: b.vc
%t = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %v1, i64 %v2)
%val = extractvalue {i64, i1} %t, 0
%obit = extractvalue {i64, i1} %t, 1
br i1 %obit, label %overflow, label %continue
overflow:
ret i1 false
continue:
ret i1 true
}
define zeroext i1 @usubo.br.i32(i32 %v1, i32 %v2) {
entry:
; CHECK-LABEL: usubo.br.i32
; CHECK: cmp w0, w1
; CHECK-NEXT: b.hs
%t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %v1, i32 %v2)
%val = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, i1} %t, 1
br i1 %obit, label %overflow, label %continue
overflow:
ret i1 false
continue:
ret i1 true
}
define zeroext i1 @usubo.br.i64(i64 %v1, i64 %v2) {
entry:
; CHECK-LABEL: usubo.br.i64
; CHECK: cmp x0, x1
; CHECK-NEXT: b.hs
%t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %v1, i64 %v2)
%val = extractvalue {i64, i1} %t, 0
%obit = extractvalue {i64, i1} %t, 1
br i1 %obit, label %overflow, label %continue
overflow:
ret i1 false
continue:
ret i1 true
}
define zeroext i1 @smulo.br.i32(i32 %v1, i32 %v2) {
entry:
; CHECK-LABEL: smulo.br.i32
; CHECK: smull x[[MREG:[0-9]+]], w0, w1
; CHECK-NEXT: lsr x[[SREG:[0-9]+]], x8, #32
; CHECK-NEXT: cmp w[[SREG]], w[[MREG]], asr #31
; CHECK-NEXT: b.eq
%t = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %v1, i32 %v2)
%val = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, i1} %t, 1
br i1 %obit, label %overflow, label %continue
overflow:
ret i1 false
continue:
ret i1 true
}
define zeroext i1 @smulo.br.i64(i64 %v1, i64 %v2) {
entry:
; CHECK-LABEL: smulo.br.i64
; CHECK: mul [[MREG:x[0-9]+]], x0, x1
; CHECK-NEXT: smulh [[HREG:x[0-9]+]], x0, x1
; CHECK-NEXT: cmp [[HREG]], [[MREG]], asr #63
; CHECK-NEXT: b.eq
%t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 %v2)
%val = extractvalue {i64, i1} %t, 0
%obit = extractvalue {i64, i1} %t, 1
br i1 %obit, label %overflow, label %continue
overflow:
ret i1 false
continue:
ret i1 true
}
define zeroext i1 @smulo2.br.i64(i64 %v1) {
entry:
; CHECK-LABEL: smulo2.br.i64
; CHECK: cmn x0, x0
; CHECK-NEXT: b.vc
%t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 2)
%val = extractvalue {i64, i1} %t, 0
%obit = extractvalue {i64, i1} %t, 1
br i1 %obit, label %overflow, label %continue
overflow:
ret i1 false
continue:
ret i1 true
}
define zeroext i1 @umulo.br.i32(i32 %v1, i32 %v2) {
entry:
; CHECK-LABEL: umulo.br.i32
; CHECK: umull [[MREG:x[0-9]+]], w0, w1
; CHECK-NEXT: cmp xzr, [[MREG]], lsr #32
; CHECK-NEXT: b.eq
%t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2)
%val = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, i1} %t, 1
br i1 %obit, label %overflow, label %continue
overflow:
ret i1 false
continue:
ret i1 true
}
define zeroext i1 @umulo.br.i64(i64 %v1, i64 %v2) {
entry:
; CHECK-LABEL: umulo.br.i64
; CHECK: umulh [[REG:x[0-9]+]], x0, x1
; CHECK-NEXT: {{cbz|cmp}}
%t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 %v2)
%val = extractvalue {i64, i1} %t, 0
%obit = extractvalue {i64, i1} %t, 1
br i1 %obit, label %overflow, label %continue
overflow:
ret i1 false
continue:
ret i1 true
}
define zeroext i1 @umulo2.br.i64(i64 %v1) {
entry:
; CHECK-LABEL: umulo2.br.i64
; CHECK: cmn x0, x0
; CHECK-NEXT: b.lo
%t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 2)
%val = extractvalue {i64, i1} %t, 0
%obit = extractvalue {i64, i1} %t, 1
br i1 %obit, label %overflow, label %continue
overflow:
ret i1 false
continue:
ret i1 true
}
declare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32) nounwind readnone
declare {i64, i1} @llvm.sadd.with.overflow.i64(i64, i64) nounwind readnone
declare {i32, i1} @llvm.uadd.with.overflow.i32(i32, i32) nounwind readnone
declare {i64, i1} @llvm.uadd.with.overflow.i64(i64, i64) nounwind readnone
declare {i32, i1} @llvm.ssub.with.overflow.i32(i32, i32) nounwind readnone
declare {i64, i1} @llvm.ssub.with.overflow.i64(i64, i64) nounwind readnone
declare {i32, i1} @llvm.usub.with.overflow.i32(i32, i32) nounwind readnone
declare {i64, i1} @llvm.usub.with.overflow.i64(i64, i64) nounwind readnone
declare {i32, i1} @llvm.smul.with.overflow.i32(i32, i32) nounwind readnone
declare {i64, i1} @llvm.smul.with.overflow.i64(i64, i64) nounwind readnone
declare {i32, i1} @llvm.umul.with.overflow.i32(i32, i32) nounwind readnone
declare {i64, i1} @llvm.umul.with.overflow.i64(i64, i64) nounwind readnone