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83 lines
1.7 KiB
LLVM
83 lines
1.7 KiB
LLVM
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; RUN: llc < %s -mtriple=armv7-apple-ios | FileCheck %s
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define i64 @test1(i64* %ptr, i64 %val) {
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; CHECK: test1
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; CHECK: dmb ish
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; CHECK: ldrexd r2, r3
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; CHECK: adds r0, r2
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; CHECK: adc r1, r3
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; CHECK: strexd {{r[0-9]+}}, r0, r1
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; CHECK: cmp
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; CHECK: bne
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; CHECK: dmb ish
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%r = atomicrmw add i64* %ptr, i64 %val seq_cst
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ret i64 %r
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}
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define i64 @test2(i64* %ptr, i64 %val) {
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; CHECK: test2
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; CHECK: dmb ish
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; CHECK: ldrexd r2, r3
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; CHECK: subs r0, r2
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; CHECK: sbc r1, r3
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; CHECK: strexd {{r[0-9]+}}, r0, r1
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; CHECK: cmp
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; CHECK: bne
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; CHECK: dmb ish
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%r = atomicrmw sub i64* %ptr, i64 %val seq_cst
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ret i64 %r
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}
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define i64 @test3(i64* %ptr, i64 %val) {
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; CHECK: test3
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; CHECK: dmb ish
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; CHECK: ldrexd r2, r3
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; CHECK: and r0, r2
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; CHECK: and r1, r3
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; CHECK: strexd {{r[0-9]+}}, r0, r1
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; CHECK: cmp
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; CHECK: bne
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; CHECK: dmb ish
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%r = atomicrmw and i64* %ptr, i64 %val seq_cst
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ret i64 %r
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}
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define i64 @test4(i64* %ptr, i64 %val) {
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; CHECK: test4
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; CHECK: dmb ish
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; CHECK: ldrexd r2, r3
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; CHECK: orr r0, r2
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; CHECK: orr r1, r3
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; CHECK: strexd {{r[0-9]+}}, r0, r1
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; CHECK: cmp
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; CHECK: bne
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; CHECK: dmb ish
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%r = atomicrmw or i64* %ptr, i64 %val seq_cst
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ret i64 %r
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}
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define i64 @test5(i64* %ptr, i64 %val) {
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; CHECK: test5
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; CHECK: dmb ish
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; CHECK: ldrexd r2, r3
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; CHECK: eor r0, r2
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; CHECK: eor r1, r3
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; CHECK: strexd {{r[0-9]+}}, r0, r1
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; CHECK: cmp
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; CHECK: bne
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; CHECK: dmb ish
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%r = atomicrmw xor i64* %ptr, i64 %val seq_cst
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ret i64 %r
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}
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define i64 @test6(i64* %ptr, i64 %val) {
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; CHECK: test6
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; CHECK: dmb ish
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; CHECK: ldrexd r2, r3
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; CHECK: strexd {{r[0-9]+}}, r0, r1
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; CHECK: cmp
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; CHECK: bne
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; CHECK: dmb ish
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%r = atomicrmw xchg i64* %ptr, i64 %val seq_cst
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ret i64 %r
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}
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