38 lines
1.8 KiB
LLVM
38 lines
1.8 KiB
LLVM
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; REQUIRES: x86_64-linux
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; RUN: llc -stop-after=twoaddressinstruction -mtriple=x86_64-- -o - %s | FileCheck %s
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define dso_local double @twoaddressinstruction() local_unnamed_addr {
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for.end:
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%0 = load i64, i64* undef, align 8
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br label %for.body14.preheader
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for.body14.preheader: ; preds = %for.end
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br i1 undef, label %for.cond25.preheader.loopexit.unr-lcssa, label %for.body14.preheader.new
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for.body14.preheader.new: ; preds = %for.body14.preheader
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%unroll_iter136 = and i64 %0, -4
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br label %for.body14
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for.cond25.preheader.loopexit.unr-lcssa: ; preds = %for.body14, %for.body14.preheader
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%indvars.iv127.unr = phi i64 [ 1, %for.body14.preheader ], [ %indvars.iv.next128.3, %for.body14 ]
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ret double undef
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for.body14: ; preds = %for.body14, %for.body14.preheader.new
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%indvars.iv127 = phi i64 [ 1, %for.body14.preheader.new ], [ %indvars.iv.next128.3, %for.body14 ]
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%niter137 = phi i64 [ %unroll_iter136, %for.body14.preheader.new ], [ %niter137.nsub.3, %for.body14 ]
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%indvars.iv.next128.3 = add nuw nsw i64 %indvars.iv127, 4
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; CHECK: PSEUDO_PROBE -6878943695821059507, 9, 0, 0
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call void @llvm.pseudoprobe(i64 -6878943695821059507, i64 9, i32 0, i64 -1)
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;; Check an opeq form of instruction is created.
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; CHECK: %[[#REG:]]:gr64_nosp = COPY killed %[[#]]
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; CHECK: %[[#REG]]:gr64_nosp = nuw ADD64ri8 %[[#REG]], 4, implicit-def dead $eflags
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%niter137.nsub.3 = add i64 %niter137, -4
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%niter137.ncmp.3 = icmp eq i64 %niter137.nsub.3, 0
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br i1 %niter137.ncmp.3, label %for.cond25.preheader.loopexit.unr-lcssa, label %for.body14
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}
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; Function Attrs: inaccessiblememonly nounwind willreturn
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declare void @llvm.pseudoprobe(i64, i64, i32, i64) #0
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attributes #0 = { inaccessiblememonly nounwind willreturn }
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