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TheRock/compiler/amd-llvm/llvm/test/CodeGen/SystemZ/fp-half-mem.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

64 lines
2.0 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=zEC12 -verify-machineinstrs \
; RUN: | FileCheck %s --check-prefix=NOVEC
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z16 -verify-machineinstrs \
; RUN: | FileCheck %s --check-prefix=VECTOR
declare void @foo(ptr)
; Test an alloca.
define half @f1() {
; NOVEC-LABEL: f1:
; NOVEC: # %bb.0:
; NOVEC-NEXT: stmg %r14, %r15, 112(%r15)
; NOVEC-NEXT: .cfi_offset %r14, -48
; NOVEC-NEXT: .cfi_offset %r15, -40
; NOVEC-NEXT: aghi %r15, -168
; NOVEC-NEXT: .cfi_def_cfa_offset 328
; NOVEC-NEXT: la %r2, 166(%r15)
; NOVEC-NEXT: brasl %r14, foo@PLT
; NOVEC-NEXT: lgh %r0, 166(%r15)
; NOVEC-NEXT: sllg %r0, %r0, 48
; NOVEC-NEXT: ldgr %f0, %r0
; NOVEC-NEXT: # kill: def $f0h killed $f0h killed $f0d
; NOVEC-NEXT: lmg %r14, %r15, 280(%r15)
; NOVEC-NEXT: br %r14
;
; VECTOR-LABEL: f1:
; VECTOR: # %bb.0:
; VECTOR-NEXT: stmg %r14, %r15, 112(%r15)
; VECTOR-NEXT: .cfi_offset %r14, -48
; VECTOR-NEXT: .cfi_offset %r15, -40
; VECTOR-NEXT: aghi %r15, -168
; VECTOR-NEXT: .cfi_def_cfa_offset 328
; VECTOR-NEXT: la %r2, 166(%r15)
; VECTOR-NEXT: brasl %r14, foo@PLT
; VECTOR-NEXT: vlreph %v0, 166(%r15)
; VECTOR-NEXT: lmg %r14, %r15, 280(%r15)
; VECTOR-NEXT: br %r14
%ptr = alloca half
call void @foo(ptr %ptr)
%orig = load half, ptr %ptr
ret half %orig
}
; Test accessing a half element of an aggregate type.
%s.half = type { half, half, half, half, half }
define half @f2(ptr %P) {
; NOVEC-LABEL: f2:
; NOVEC: # %bb.0:
; NOVEC-NEXT: lgh %r0, 6(%r2)
; NOVEC-NEXT: sllg %r0, %r0, 48
; NOVEC-NEXT: ldgr %f0, %r0
; NOVEC-NEXT: # kill: def $f0h killed $f0h killed $f0d
; NOVEC-NEXT: br %r14
;
; VECTOR-LABEL: f2:
; VECTOR: # %bb.0:
; VECTOR-NEXT: vlreph %v0, 6(%r2)
; VECTOR-NEXT: br %r14
%gep = getelementptr inbounds %s.half, ptr %P, i64 0, i32 3
%res = load half, ptr %gep
ret half %res
}