derek.holloway
7502bf64a4
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84 lines
2.3 KiB
LLVM
84 lines
2.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=zEC12 -verify-machineinstrs \
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; RUN: | FileCheck %s --check-prefix=NOVEC
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z16 -verify-machineinstrs \
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; RUN: | FileCheck %s --check-prefix=VECTOR
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;
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; Test moves (bitcasts) between i16 and half.
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define half @f1(ptr %ptr) {
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; NOVEC-LABEL: f1:
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; NOVEC: # %bb.0:
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; NOVEC-NEXT: lh %r0, 0(%r2)
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; NOVEC-NEXT: oill %r0, 255
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; NOVEC-NEXT: sllg %r0, %r0, 48
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; NOVEC-NEXT: ldgr %f0, %r0
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; NOVEC-NEXT: # kill: def $f0h killed $f0h killed $f0d
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; NOVEC-NEXT: br %r14
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;
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; VECTOR-LABEL: f1:
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; VECTOR: # %bb.0:
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; VECTOR-NEXT: lh %r0, 0(%r2)
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; VECTOR-NEXT: oill %r0, 255
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; VECTOR-NEXT: vlvgh %v0, %r0, 0
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; VECTOR-NEXT: br %r14
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%L = load i16, ptr %ptr
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%O = or i16 %L, 255
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%res = bitcast i16 %O to half
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ret half %res
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}
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define half @f2(i16 %Arg) {
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; NOVEC-LABEL: f2:
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; NOVEC: # %bb.0:
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; NOVEC-NEXT: # kill: def $r2l killed $r2l def $r2d
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; NOVEC-NEXT: sllg %r0, %r2, 48
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; NOVEC-NEXT: ldgr %f0, %r0
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; NOVEC-NEXT: # kill: def $f0h killed $f0h killed $f0d
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; NOVEC-NEXT: br %r14
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;
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; VECTOR-LABEL: f2:
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; VECTOR: # %bb.0:
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; VECTOR-NEXT: vlvgh %v0, %r2, 0
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; VECTOR-NEXT: br %r14
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%res = bitcast i16 %Arg to half
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ret half %res
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}
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define void @f3(half %val, ptr %ptr) {
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; NOVEC-LABEL: f3:
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; NOVEC: # %bb.0:
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; NOVEC-NEXT: # kill: def $f0h killed $f0h def $f0d
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; NOVEC-NEXT: lgdr %r0, %f0
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; NOVEC-NEXT: srlg %r0, %r0, 48
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; NOVEC-NEXT: stc %r0, 0(%r2)
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; NOVEC-NEXT: br %r14
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;
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; VECTOR-LABEL: f3:
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; VECTOR: # %bb.0:
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; VECTOR-NEXT: vlgvh %r0, %v0, 0
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; VECTOR-NEXT: stc %r0, 0(%r2)
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; VECTOR-NEXT: br %r14
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%res = bitcast half %val to i16
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%trunc = trunc i16 %res to i8
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store i8 %trunc, ptr %ptr
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ret void
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}
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define i16 @f4(half %Arg) {
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; NOVEC-LABEL: f4:
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; NOVEC: # %bb.0:
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; NOVEC-NEXT: # kill: def $f0h killed $f0h def $f0d
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; NOVEC-NEXT: lgdr %r0, %f0
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; NOVEC-NEXT: srlg %r2, %r0, 48
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; NOVEC-NEXT: # kill: def $r2l killed $r2l killed $r2d
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; NOVEC-NEXT: br %r14
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;
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; VECTOR-LABEL: f4:
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; VECTOR: # %bb.0:
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; VECTOR-NEXT: vlgvh %r2, %v0, 0
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; VECTOR-NEXT: br %r14
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%res = bitcast half %Arg to i16
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ret i16 %res
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}
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