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llvm/trunk/test/CodeGen/SystemZ/fp-strict-sub-04.ll
| ; Test strict 128-bit floating-point subtraction on z14. | ; Test strict 128-bit floating-point subtraction on z14. | ||||
| ; | ; | ||||
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s | ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s | ||||
| declare fp128 @llvm.experimental.constrained.fsub.f128(fp128, fp128, metadata, metadata) | declare fp128 @llvm.experimental.constrained.fsub.f128(fp128, fp128, metadata, metadata) | ||||
| define void @f1(fp128 *%ptr1, fp128 *%ptr2) { | define void @f1(fp128 *%ptr1, fp128 *%ptr2) strictfp { | ||||
| ; CHECK-LABEL: f1: | ; CHECK-LABEL: f1: | ||||
| ; CHECK-DAG: vl [[REG1:%v[0-9]+]], 0(%r2) | ; CHECK-DAG: vl [[REG1:%v[0-9]+]], 0(%r2) | ||||
| ; CHECK-DAG: vl [[REG2:%v[0-9]+]], 0(%r3) | ; CHECK-DAG: vl [[REG2:%v[0-9]+]], 0(%r3) | ||||
| ; CHECK: wfsxb [[RES:%v[0-9]+]], [[REG1]], [[REG2]] | ; CHECK: wfsxb [[RES:%v[0-9]+]], [[REG1]], [[REG2]] | ||||
| ; CHECK: vst [[RES]], 0(%r2) | ; CHECK: vst [[RES]], 0(%r2) | ||||
| ; CHECK: br %r14 | ; CHECK: br %r14 | ||||
| %f1 = load fp128, fp128 *%ptr1 | %f1 = load fp128, fp128 *%ptr1 | ||||
| %f2 = load fp128, fp128 *%ptr2 | %f2 = load fp128, fp128 *%ptr2 | ||||
| %sum = call fp128 @llvm.experimental.constrained.fsub.f128( | %sum = call fp128 @llvm.experimental.constrained.fsub.f128( | ||||
| fp128 %f1, fp128 %f2, | fp128 %f1, fp128 %f2, | ||||
| metadata !"round.dynamic", | metadata !"round.dynamic", | ||||
| metadata !"fpexcept.strict") | metadata !"fpexcept.strict") strictfp | ||||
| store fp128 %sum, fp128 *%ptr1 | store fp128 %sum, fp128 *%ptr1 | ||||
| ret void | ret void | ||||
| } | } | ||||