derek.holloway
7502bf64a4
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102 lines
2.8 KiB
LLVM
102 lines
2.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; Test f128 to i128 bitcasts.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 \
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; RUN: | FileCheck -check-prefix=Z10 %s
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 \
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; RUN: | FileCheck -check-prefix=Z14 %s
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define i64 @extract_float_hi(ptr %0, ptr %1) {
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; Z10-LABEL: extract_float_hi:
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; Z10: # %bb.0: # %entry
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; Z10-NEXT: ld %f0, 0(%r2)
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; Z10-NEXT: ld %f2, 8(%r2)
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; Z10-NEXT: ld %f1, 0(%r3)
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; Z10-NEXT: ld %f3, 8(%r3)
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; Z10-NEXT: axbr %f1, %f0
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; Z10-NEXT: lgdr %r2, %f1
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; Z10-NEXT: br %r14
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;
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; Z14-LABEL: extract_float_hi:
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; Z14: # %bb.0: # %entry
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; Z14-NEXT: vl %v0, 0(%r2), 3
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; Z14-NEXT: vl %v1, 0(%r3), 3
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; Z14-NEXT: wfaxb %v0, %v0, %v1
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; Z14-NEXT: vlgvg %r2, %v0, 0
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; Z14-NEXT: br %r14
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entry:
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%x = load fp128, ptr %0
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%y = load fp128, ptr %1
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%add = fadd fp128 %x, %y
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%2 = bitcast fp128 %add to i128
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%u.sroa.0.0.extract.shift = lshr i128 %2, 64
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%u.sroa.0.0.extract.trunc = trunc i128 %u.sroa.0.0.extract.shift to i64
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ret i64 %u.sroa.0.0.extract.trunc
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}
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define i64 @extract_float_lo(ptr %0, ptr %1) {
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; Z10-LABEL: extract_float_lo:
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; Z10: # %bb.0: # %entry
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; Z10-NEXT: ld %f0, 0(%r2)
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; Z10-NEXT: ld %f2, 8(%r2)
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; Z10-NEXT: ld %f1, 0(%r3)
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; Z10-NEXT: ld %f3, 8(%r3)
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; Z10-NEXT: axbr %f1, %f0
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; Z10-NEXT: lgdr %r2, %f3
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; Z10-NEXT: br %r14
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;
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; Z14-LABEL: extract_float_lo:
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; Z14: # %bb.0: # %entry
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; Z14-NEXT: vl %v0, 0(%r2), 3
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; Z14-NEXT: vl %v1, 0(%r3), 3
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; Z14-NEXT: wfaxb %v0, %v0, %v1
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; Z14-NEXT: vlgvg %r2, %v0, 1
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; Z14-NEXT: br %r14
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entry:
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%x = load fp128, ptr %0
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%y = load fp128, ptr %1
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%add = fadd fp128 %x, %y
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%2 = bitcast fp128 %add to i128
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%u.sroa.0.0.extract.trunc = trunc i128 %2 to i64
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ret i64 %u.sroa.0.0.extract.trunc
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}
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define i128 @bitcast_128(ptr %0, ptr %1) {
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; Z10-LABEL: bitcast_128:
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; Z10: # %bb.0: # %entry
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; Z10-NEXT: ld %f0, 0(%r3)
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; Z10-NEXT: ld %f2, 8(%r3)
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; Z10-NEXT: ld %f1, 0(%r4)
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; Z10-NEXT: ld %f3, 8(%r4)
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; Z10-NEXT: axbr %f1, %f0
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; Z10-NEXT: lgdr %r0, %f3
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; Z10-NEXT: lgdr %r1, %f1
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; Z10-NEXT: oill %r1, 1
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; Z10-NEXT: oill %r0, 3
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; Z10-NEXT: stg %r0, 8(%r2)
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; Z10-NEXT: stg %r1, 0(%r2)
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; Z10-NEXT: br %r14
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;
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; Z14-LABEL: bitcast_128:
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; Z14: # %bb.0: # %entry
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; Z14-NEXT: vl %v0, 0(%r3), 3
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; Z14-NEXT: vl %v1, 0(%r4), 3
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; Z14-NEXT: wfaxb %v0, %v0, %v1
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; Z14-NEXT: larl %r1, .LCPI2_0
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; Z14-NEXT: vl %v1, 0(%r1), 3
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; Z14-NEXT: vo %v0, %v0, %v1
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; Z14-NEXT: vst %v0, 0(%r2), 3
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; Z14-NEXT: br %r14
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entry:
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%x = load fp128, ptr %0
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%y = load fp128, ptr %1
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%add = fadd fp128 %x, %y
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%i = bitcast fp128 %add to i128
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%hibit = shl i128 1, 64
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%i2 = or i128 %i, %hibit
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%i3 = or i128 %i2, 3
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ret i128 %i3
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}
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