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llvm/trunk/test/CodeGen/SystemZ/fp-strict-sub-03.ll
| ; Test strict 128-bit floating-point subtraction. | ; Test strict 128-bit floating-point subtraction. | ||||
| ; | ; | ||||
| ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s | ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s | ||||
| declare fp128 @llvm.experimental.constrained.fsub.f128(fp128, fp128, metadata, metadata) | declare fp128 @llvm.experimental.constrained.fsub.f128(fp128, fp128, metadata, metadata) | ||||
| ; There is no memory form of 128-bit subtraction. | ; There is no memory form of 128-bit subtraction. | ||||
| define void @f1(fp128 *%ptr, float %f2) { | define void @f1(fp128 *%ptr, float %f2) strictfp { | ||||
| ; CHECK-LABEL: f1: | ; CHECK-LABEL: f1: | ||||
| ; CHECK-DAG: lxebr %f0, %f0 | ; CHECK-DAG: lxebr %f0, %f0 | ||||
| ; CHECK-DAG: ld %f1, 0(%r2) | ; CHECK-DAG: ld %f1, 0(%r2) | ||||
| ; CHECK-DAG: ld %f3, 8(%r2) | ; CHECK-DAG: ld %f3, 8(%r2) | ||||
| ; CHECK: sxbr %f1, %f0 | ; CHECK: sxbr %f1, %f0 | ||||
| ; CHECK: std %f1, 0(%r2) | ; CHECK: std %f1, 0(%r2) | ||||
| ; CHECK: std %f3, 8(%r2) | ; CHECK: std %f3, 8(%r2) | ||||
| ; CHECK: br %r14 | ; CHECK: br %r14 | ||||
| %f1 = load fp128, fp128 *%ptr | %f1 = load fp128, fp128 *%ptr | ||||
| %f2x = fpext float %f2 to fp128 | %f2x = fpext float %f2 to fp128 | ||||
| %sum = call fp128 @llvm.experimental.constrained.fsub.f128( | %sum = call fp128 @llvm.experimental.constrained.fsub.f128( | ||||
| fp128 %f1, fp128 %f2x, | fp128 %f1, fp128 %f2x, | ||||
| metadata !"round.dynamic", | metadata !"round.dynamic", | ||||
| metadata !"fpexcept.strict") | metadata !"fpexcept.strict") strictfp | ||||
| store fp128 %sum, fp128 *%ptr | store fp128 %sum, fp128 *%ptr | ||||
| ret void | ret void | ||||
| } | } | ||||