a1710eb3cd
The LIT test cases were migrated with the script provided by Nikita Popov. No manual changes were made. Committed without review since no functional changes, after consultation with uweigand.
56 lines
1.3 KiB
LLVM
56 lines
1.3 KiB
LLVM
; Test proper extension of 8-bit/16-bit cmpxchg.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; CHECK-LABEL: f1
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; CHECK: crjlh
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; CHECK-NOT: llcr
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; CHECK-NOT: cr
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; CHECK: llgfr %r2, [[RES:%r[0-9]+]]
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; CHECK-NOT: llcr
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; CHECK-NOT: cr
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define zeroext i8 @f1(ptr nocapture, i8 zeroext, i8 zeroext) {
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%cx = cmpxchg ptr %0, i8 %1, i8 %2 seq_cst seq_cst
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%res = extractvalue { i8, i1 } %cx, 0
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ret i8 %res
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}
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; CHECK-LABEL: f2
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; CHECK: crjlh
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; CHECK-NOT: llhr
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; CHECK-NOT: cr
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; CHECK: llgfr %r2, [[RES:%r[0-9]+]]
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; CHECK-NOT: llhr
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; CHECK-NOT: cr
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define zeroext i16 @f2(ptr nocapture, i16 zeroext, i16 zeroext) {
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%cx = cmpxchg ptr %0, i16 %1, i16 %2 seq_cst seq_cst
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%res = extractvalue { i16, i1 } %cx, 0
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ret i16 %res
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}
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; CHECK-LABEL: f3
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; CHECK: crjlh
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; CHECK-NOT: llcr
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; CHECK-NOT: cr
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; CHECK: lgbr %r2, [[RES:%r[0-9]+]]
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; CHECK-NOT: llcr
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; CHECK-NOT: cr
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define signext i8 @f3(ptr nocapture, i8 signext, i8 signext) {
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%cx = cmpxchg ptr %0, i8 %1, i8 %2 seq_cst seq_cst
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%res = extractvalue { i8, i1 } %cx, 0
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ret i8 %res
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}
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; CHECK-LABEL: f4
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; CHECK: crjlh
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; CHECK-NOT: llhr
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; CHECK-NOT: cr
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; CHECK: lghr %r2, [[RES:%r[0-9]+]]
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; CHECK-NOT: llhr
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; CHECK-NOT: cr
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define signext i16 @f4(ptr nocapture, i16 signext, i16 signext) {
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%cx = cmpxchg ptr %0, i16 %1, i16 %2 seq_cst seq_cst
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%res = extractvalue { i16, i1 } %cx, 0
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ret i16 %res
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}
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