738c135ee0
These did not have proper floating point uses so weren't representative samples. The bitcast inserted by lowering could be absorbed by the load/store on the source/use.
74 lines
2.0 KiB
LLVM
74 lines
2.0 KiB
LLVM
; Test long double atomic stores. The atomic store is converted to i128 by
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; the AtomicExpand pass.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck -check-prefixes=CHECK,BASE %s
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; xUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck -check-prefixes=CHECK,Z13 %s
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define void @f1(ptr %dst, ptr %src) {
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; CHECK-LABEL: f1:
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; CHECK: # %bb.0:
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; CHECK-NEXT: lg %r1, 8(%r3)
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; CHECK-NEXT: lg %r0, 0(%r3)
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; CHECK-NEXT: stpq %r0, 0(%r2)
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; CHECK-NEXT: bcr 1{{[45]}}, %r0
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; CHECK-NEXT: br %r14
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%val = load fp128, ptr %src, align 8
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store atomic fp128 %val, ptr %dst seq_cst, align 16
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ret void
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}
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define void @f1_fpsrc(ptr %dst, ptr %src) {
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; CHECK-LABEL: f1_fpsrc:
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; CHECK: # %bb.0:
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; CHECK-NEXT: ld %f0, 0(%r3)
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; CHECK-NEXT: ld %f2, 8(%r3)
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; CHECK-NEXT: axbr %f0, %f0
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; BASE-NEXT: lgdr %r1, %f2
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; BASE-NEXT: lgdr %r0, %f0
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; Z13-NEXT: vmrhg %v0, %v0, %v2
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; Z13-NEXT: vlgvg %r1, %v0, 1
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; Z13-NEXT: vlgvg %r0, %v0, 0
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; CHECK-NEXT: stpq %r0, 0(%r2)
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; CHECK-NEXT: bcr 15, %r0
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; CHECK-NEXT: br %r14
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%val = load fp128, ptr %src, align 8
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%add = fadd fp128 %val, %val
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store atomic fp128 %add, ptr %dst seq_cst, align 16
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ret void
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}
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define void @f2(ptr %dst, ptr %src) {
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; CHECK-LABEL: f2:
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; CHECK: brasl %r14, __atomic_store@PLT
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%val = load fp128, ptr %src, align 8
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store atomic fp128 %val, ptr %dst seq_cst, align 8
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ret void
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}
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define void @f2_fpuse(ptr %dst, ptr %src) {
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; CHECK-LABEL: f2_fpuse:
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; CHECK: # %bb.0:
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; CHECK-NEXT: stmg %r14, %r15, 112(%r15)
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; CHECK-NEXT: .cfi_offset %r14, -48
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; CHECK-NEXT: .cfi_offset %r15, -40
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; CHECK-NEXT: aghi %r15, -176
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; CHECK-NEXT: .cfi_def_cfa_offset 336
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; CHECK-NEXT: ld %f0, 0(%r3)
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; CHECK-NEXT: ld %f2, 8(%r3)
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; CHECK-NEXT: lgr %r3, %r2
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; CHECK-NEXT: axbr %f0, %f0
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; CHECK-NEXT: la %r4, 160(%r15)
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; CHECK-NEXT: lghi %r2, 16
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; CHECK-NEXT: lhi %r5, 5
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; CHECK-NEXT: std %f0, 160(%r15)
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; CHECK-NEXT: std %f2, 168(%r15)
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; CHECK-NEXT: brasl %r14, __atomic_store@PLT
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%val = load fp128, ptr %src, align 8
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%add = fadd fp128 %val, %val
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store atomic fp128 %add, ptr %dst seq_cst, align 8
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ret void
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}
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