forked from OSchip/llvm-project
315 lines
13 KiB
LLVM
315 lines
13 KiB
LLVM
; Test spilling of vector registers.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
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; We need to allocate a 16-byte spill slot and save the 8 call-saved FPRs.
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; The frame size should be exactly 160 + 16 + 8 * 8 = 240.
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define void @f1(<16 x i8> *%ptr) {
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; CHECK-LABEL: f1:
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; CHECK: aghi %r15, -240
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; CHECK-DAG: std %f8,
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; CHECK-DAG: std %f9,
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; CHECK-DAG: std %f10,
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; CHECK-DAG: std %f11,
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; CHECK-DAG: std %f12,
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; CHECK-DAG: std %f13,
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; CHECK-DAG: std %f14,
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; CHECK-DAG: std %f15,
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; CHECK: vst {{%v[0-9]+}}, 160(%r15)
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; CHECK: vl {{%v[0-9]+}}, 160(%r15)
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; CHECK-DAG: ld %f8,
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; CHECK-DAG: ld %f9,
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; CHECK-DAG: ld %f10,
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; CHECK-DAG: ld %f11,
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; CHECK-DAG: ld %f12,
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; CHECK-DAG: ld %f13,
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; CHECK-DAG: ld %f14,
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; CHECK-DAG: ld %f15,
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; CHECK: aghi %r15, 240
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; CHECK: br %r14
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%v0 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v1 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v2 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v3 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v4 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v5 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v6 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v7 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v8 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v9 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v10 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v11 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v12 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v13 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v14 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v15 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v16 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v17 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v18 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v19 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v20 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v21 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v22 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v23 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v24 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v25 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v26 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v27 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v28 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v29 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v30 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v31 = load volatile <16 x i8>, <16 x i8> *%ptr
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%vx = load volatile <16 x i8>, <16 x i8> *%ptr
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store volatile <16 x i8> %vx, <16 x i8> *%ptr
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store volatile <16 x i8> %v31, <16 x i8> *%ptr
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store volatile <16 x i8> %v30, <16 x i8> *%ptr
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store volatile <16 x i8> %v29, <16 x i8> *%ptr
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store volatile <16 x i8> %v28, <16 x i8> *%ptr
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store volatile <16 x i8> %v27, <16 x i8> *%ptr
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store volatile <16 x i8> %v26, <16 x i8> *%ptr
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store volatile <16 x i8> %v25, <16 x i8> *%ptr
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store volatile <16 x i8> %v24, <16 x i8> *%ptr
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store volatile <16 x i8> %v23, <16 x i8> *%ptr
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store volatile <16 x i8> %v22, <16 x i8> *%ptr
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store volatile <16 x i8> %v21, <16 x i8> *%ptr
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store volatile <16 x i8> %v20, <16 x i8> *%ptr
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store volatile <16 x i8> %v19, <16 x i8> *%ptr
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store volatile <16 x i8> %v18, <16 x i8> *%ptr
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store volatile <16 x i8> %v17, <16 x i8> *%ptr
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store volatile <16 x i8> %v16, <16 x i8> *%ptr
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store volatile <16 x i8> %v15, <16 x i8> *%ptr
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store volatile <16 x i8> %v14, <16 x i8> *%ptr
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store volatile <16 x i8> %v13, <16 x i8> *%ptr
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store volatile <16 x i8> %v12, <16 x i8> *%ptr
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store volatile <16 x i8> %v11, <16 x i8> *%ptr
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store volatile <16 x i8> %v10, <16 x i8> *%ptr
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store volatile <16 x i8> %v9, <16 x i8> *%ptr
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store volatile <16 x i8> %v8, <16 x i8> *%ptr
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store volatile <16 x i8> %v7, <16 x i8> *%ptr
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store volatile <16 x i8> %v6, <16 x i8> *%ptr
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store volatile <16 x i8> %v5, <16 x i8> *%ptr
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store volatile <16 x i8> %v4, <16 x i8> *%ptr
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store volatile <16 x i8> %v3, <16 x i8> *%ptr
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store volatile <16 x i8> %v2, <16 x i8> *%ptr
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store volatile <16 x i8> %v1, <16 x i8> *%ptr
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store volatile <16 x i8> %v0, <16 x i8> *%ptr
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ret void
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}
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; Like f1, but no 16-byte slot should be needed.
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define void @f2(<16 x i8> *%ptr) {
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; CHECK-LABEL: f2:
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; CHECK: aghi %r15, -224
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; CHECK-DAG: std %f8,
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; CHECK-DAG: std %f9,
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; CHECK-DAG: std %f10,
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; CHECK-DAG: std %f11,
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; CHECK-DAG: std %f12,
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; CHECK-DAG: std %f13,
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; CHECK-DAG: std %f14,
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; CHECK-DAG: std %f15,
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; CHECK-NOT: vst {{.*}}(%r15)
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; CHECK-NOT: vl {{.*}}(%r15)
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; CHECK-DAG: ld %f8,
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; CHECK-DAG: ld %f9,
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; CHECK-DAG: ld %f10,
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; CHECK-DAG: ld %f11,
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; CHECK-DAG: ld %f12,
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; CHECK-DAG: ld %f13,
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; CHECK-DAG: ld %f14,
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; CHECK-DAG: ld %f15,
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; CHECK: aghi %r15, 224
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; CHECK: br %r14
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%v0 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v1 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v2 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v3 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v4 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v5 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v6 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v7 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v8 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v9 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v10 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v11 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v12 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v13 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v14 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v15 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v16 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v17 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v18 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v19 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v20 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v21 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v22 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v23 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v24 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v25 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v26 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v27 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v28 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v29 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v30 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v31 = load volatile <16 x i8>, <16 x i8> *%ptr
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store volatile <16 x i8> %v31, <16 x i8> *%ptr
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store volatile <16 x i8> %v30, <16 x i8> *%ptr
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store volatile <16 x i8> %v29, <16 x i8> *%ptr
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store volatile <16 x i8> %v28, <16 x i8> *%ptr
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store volatile <16 x i8> %v27, <16 x i8> *%ptr
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store volatile <16 x i8> %v26, <16 x i8> *%ptr
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store volatile <16 x i8> %v25, <16 x i8> *%ptr
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store volatile <16 x i8> %v24, <16 x i8> *%ptr
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store volatile <16 x i8> %v23, <16 x i8> *%ptr
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store volatile <16 x i8> %v22, <16 x i8> *%ptr
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store volatile <16 x i8> %v21, <16 x i8> *%ptr
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store volatile <16 x i8> %v20, <16 x i8> *%ptr
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store volatile <16 x i8> %v19, <16 x i8> *%ptr
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store volatile <16 x i8> %v18, <16 x i8> *%ptr
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store volatile <16 x i8> %v17, <16 x i8> *%ptr
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store volatile <16 x i8> %v16, <16 x i8> *%ptr
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store volatile <16 x i8> %v15, <16 x i8> *%ptr
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store volatile <16 x i8> %v14, <16 x i8> *%ptr
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store volatile <16 x i8> %v13, <16 x i8> *%ptr
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store volatile <16 x i8> %v12, <16 x i8> *%ptr
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store volatile <16 x i8> %v11, <16 x i8> *%ptr
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store volatile <16 x i8> %v10, <16 x i8> *%ptr
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store volatile <16 x i8> %v9, <16 x i8> *%ptr
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store volatile <16 x i8> %v8, <16 x i8> *%ptr
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store volatile <16 x i8> %v7, <16 x i8> *%ptr
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store volatile <16 x i8> %v6, <16 x i8> *%ptr
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store volatile <16 x i8> %v5, <16 x i8> *%ptr
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store volatile <16 x i8> %v4, <16 x i8> *%ptr
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store volatile <16 x i8> %v3, <16 x i8> *%ptr
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store volatile <16 x i8> %v2, <16 x i8> *%ptr
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store volatile <16 x i8> %v1, <16 x i8> *%ptr
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store volatile <16 x i8> %v0, <16 x i8> *%ptr
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ret void
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}
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; Like f2, but only %f8 should be saved.
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define void @f3(<16 x i8> *%ptr) {
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; CHECK-LABEL: f3:
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; CHECK: aghi %r15, -168
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; CHECK-DAG: std %f8,
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; CHECK-NOT: vst {{.*}}(%r15)
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; CHECK-NOT: vl {{.*}}(%r15)
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; CHECK-NOT: %v9
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; CHECK-NOT: %v10
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; CHECK-NOT: %v11
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; CHECK-NOT: %v12
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; CHECK-NOT: %v13
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; CHECK-NOT: %v14
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; CHECK-NOT: %v15
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; CHECK-DAG: ld %f8,
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; CHECK: aghi %r15, 168
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; CHECK: br %r14
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%v0 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v1 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v2 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v3 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v4 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v5 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v6 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v7 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v8 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v16 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v17 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v18 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v19 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v20 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v21 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v22 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v23 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v24 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v25 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v26 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v27 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v28 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v29 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v30 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v31 = load volatile <16 x i8>, <16 x i8> *%ptr
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store volatile <16 x i8> %v31, <16 x i8> *%ptr
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store volatile <16 x i8> %v30, <16 x i8> *%ptr
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store volatile <16 x i8> %v29, <16 x i8> *%ptr
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store volatile <16 x i8> %v28, <16 x i8> *%ptr
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store volatile <16 x i8> %v27, <16 x i8> *%ptr
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store volatile <16 x i8> %v26, <16 x i8> *%ptr
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store volatile <16 x i8> %v25, <16 x i8> *%ptr
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store volatile <16 x i8> %v24, <16 x i8> *%ptr
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store volatile <16 x i8> %v23, <16 x i8> *%ptr
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store volatile <16 x i8> %v22, <16 x i8> *%ptr
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store volatile <16 x i8> %v21, <16 x i8> *%ptr
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store volatile <16 x i8> %v20, <16 x i8> *%ptr
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store volatile <16 x i8> %v19, <16 x i8> *%ptr
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store volatile <16 x i8> %v18, <16 x i8> *%ptr
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store volatile <16 x i8> %v17, <16 x i8> *%ptr
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store volatile <16 x i8> %v16, <16 x i8> *%ptr
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store volatile <16 x i8> %v8, <16 x i8> *%ptr
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store volatile <16 x i8> %v7, <16 x i8> *%ptr
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store volatile <16 x i8> %v6, <16 x i8> *%ptr
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store volatile <16 x i8> %v5, <16 x i8> *%ptr
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store volatile <16 x i8> %v4, <16 x i8> *%ptr
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store volatile <16 x i8> %v3, <16 x i8> *%ptr
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store volatile <16 x i8> %v2, <16 x i8> *%ptr
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store volatile <16 x i8> %v1, <16 x i8> *%ptr
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store volatile <16 x i8> %v0, <16 x i8> *%ptr
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ret void
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}
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; Like f2, but no registers should be saved.
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define void @f4(<16 x i8> *%ptr) {
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; CHECK-LABEL: f4:
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; CHECK-NOT: %r15
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; CHECK: br %r14
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%v0 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v1 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v2 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v3 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v4 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v5 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v6 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v7 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v16 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v17 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v18 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v19 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v20 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v21 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v22 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v23 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v24 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v25 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v26 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v27 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v28 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v29 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v30 = load volatile <16 x i8>, <16 x i8> *%ptr
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%v31 = load volatile <16 x i8>, <16 x i8> *%ptr
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store volatile <16 x i8> %v31, <16 x i8> *%ptr
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store volatile <16 x i8> %v30, <16 x i8> *%ptr
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store volatile <16 x i8> %v29, <16 x i8> *%ptr
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store volatile <16 x i8> %v28, <16 x i8> *%ptr
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store volatile <16 x i8> %v27, <16 x i8> *%ptr
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store volatile <16 x i8> %v26, <16 x i8> *%ptr
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store volatile <16 x i8> %v25, <16 x i8> *%ptr
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store volatile <16 x i8> %v24, <16 x i8> *%ptr
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store volatile <16 x i8> %v23, <16 x i8> *%ptr
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store volatile <16 x i8> %v22, <16 x i8> *%ptr
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store volatile <16 x i8> %v21, <16 x i8> *%ptr
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store volatile <16 x i8> %v20, <16 x i8> *%ptr
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store volatile <16 x i8> %v19, <16 x i8> *%ptr
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store volatile <16 x i8> %v18, <16 x i8> *%ptr
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store volatile <16 x i8> %v17, <16 x i8> *%ptr
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store volatile <16 x i8> %v16, <16 x i8> *%ptr
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store volatile <16 x i8> %v7, <16 x i8> *%ptr
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store volatile <16 x i8> %v6, <16 x i8> *%ptr
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store volatile <16 x i8> %v5, <16 x i8> *%ptr
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store volatile <16 x i8> %v4, <16 x i8> *%ptr
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store volatile <16 x i8> %v3, <16 x i8> *%ptr
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store volatile <16 x i8> %v2, <16 x i8> *%ptr
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store volatile <16 x i8> %v1, <16 x i8> *%ptr
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store volatile <16 x i8> %v0, <16 x i8> *%ptr
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ret void
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}
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