73 lines
2.2 KiB
LLVM
73 lines
2.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -march=sparc -mcpu=v9 | FileCheck %s
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define i32 @f(i32 %x) {
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; CHECK-LABEL: f:
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; CHECK: .cfi_startproc
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; CHECK-NEXT: ! %bb.0: ! %entry
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; CHECK-NEXT: mov %g0, %o1
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; CHECK-NEXT: sub %o1, %o0, %o1
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; CHECK-NEXT: and %o0, %o1, %o1
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; CHECK-NEXT: sethi 122669, %o2
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; CHECK-NEXT: or %o2, 305, %o2
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; CHECK-NEXT: smul %o1, %o2, %o1
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; CHECK-NEXT: srl %o1, 27, %o1
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; CHECK-NEXT: sethi %hi(.LCPI0_0), %o2
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; CHECK-NEXT: add %o2, %lo(.LCPI0_0), %o2
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; CHECK-NEXT: ldub [%o2+%o1], %o1
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; CHECK-NEXT: cmp %o0, 0
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; CHECK-NEXT: move %icc, 0, %o1
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; CHECK-NEXT: retl
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; CHECK-NEXT: mov %o1, %o0
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entry:
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%0 = call i32 @llvm.cttz.i32(i32 %x, i1 true)
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%1 = icmp eq i32 %x, 0
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%2 = select i1 %1, i32 0, i32 %0
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%3 = trunc i32 %2 to i8
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%conv = zext i8 %3 to i32
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ret i32 %conv
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}
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define i64 @g(i64 %x) {
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; CHECK-LABEL: g:
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; CHECK: .cfi_startproc
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; CHECK-NEXT: ! %bb.0: ! %entry
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; CHECK-NEXT: mov %g0, %o2
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; CHECK-NEXT: sub %o2, %o1, %o3
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; CHECK-NEXT: and %o1, %o3, %o3
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; CHECK-NEXT: sethi 122669, %o4
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; CHECK-NEXT: or %o4, 305, %o4
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; CHECK-NEXT: smul %o3, %o4, %o3
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; CHECK-NEXT: sethi %hi(.LCPI1_0), %o5
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; CHECK-NEXT: add %o5, %lo(.LCPI1_0), %o5
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; CHECK-NEXT: sub %o2, %o0, %g2
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; CHECK-NEXT: and %o0, %g2, %g2
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; CHECK-NEXT: smul %g2, %o4, %o4
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; CHECK-NEXT: srl %o4, 27, %o4
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; CHECK-NEXT: ldub [%o5+%o4], %o4
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; CHECK-NEXT: srl %o3, 27, %o3
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; CHECK-NEXT: ldub [%o5+%o3], %o5
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; CHECK-NEXT: add %o4, 32, %o3
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; CHECK-NEXT: cmp %o1, 0
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; CHECK-NEXT: movne %icc, %o5, %o3
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; CHECK-NEXT: or %o1, %o0, %o0
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; CHECK-NEXT: cmp %o0, 0
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; CHECK-NEXT: move %icc, 0, %o3
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; CHECK-NEXT: mov %o2, %o0
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; CHECK-NEXT: retl
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; CHECK-NEXT: mov %o3, %o1
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entry:
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%0 = call i64 @llvm.cttz.i64(i64 %x, i1 true)
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%1 = icmp eq i64 %x, 0
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%2 = select i1 %1, i64 0, i64 %0
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%3 = trunc i64 %2 to i32
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%conv = zext i32 %3 to i64
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ret i64 %conv
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}
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; Function Attrs: nocallback nofree nosync nounwind readnone speculatable willreturn
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declare i32 @llvm.cttz.i32(i32, i1 immarg) #0
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declare i64 @llvm.cttz.i64(i64, i1 immarg) #0
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attributes #0 = { nocallback nofree nosync nounwind readnone speculatable willreturn }
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