| ; Test f128 floating-point strict conversion to/from integers on z14. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s |
| |
| ; FIXME: llvm.experimental.constrained.[su]itofp does not yet exist |
| |
| declare i32 @llvm.experimental.constrained.fptosi.i32.f128(fp128, metadata) |
| declare i64 @llvm.experimental.constrained.fptosi.i64.f128(fp128, metadata) |
| |
| declare i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128, metadata) |
| declare i64 @llvm.experimental.constrained.fptoui.i64.f128(fp128, metadata) |
| |
| ; Test signed f128->i32. |
| define i32 @f5(fp128 *%src) #0 { |
| ; CHECK-LABEL: f5: |
| ; CHECK: vl %v0, 0(%r2) |
| ; CHECK: vrepg %v2, %v0, 1 |
| ; CHECK: cfxbr %r2, 5, %f0 |
| ; CHECK: br %r14 |
| %f = load fp128, fp128 *%src |
| %conv = call i32 @llvm.experimental.constrained.fptosi.i32.f128(fp128 %f, |
| metadata !"fpexcept.strict") #0 |
| ret i32 %conv |
| } |
| |
| ; Test signed f128->i64. |
| define i64 @f6(fp128 *%src) #0 { |
| ; CHECK-LABEL: f6: |
| ; CHECK: vl %v0, 0(%r2) |
| ; CHECK: vrepg %v2, %v0, 1 |
| ; CHECK: cgxbr %r2, 5, %f0 |
| ; CHECK: br %r14 |
| %f = load fp128, fp128 *%src |
| %conv = call i64 @llvm.experimental.constrained.fptosi.i64.f128(fp128 %f, |
| metadata !"fpexcept.strict") #0 |
| ret i64 %conv |
| } |
| |
| ; Test unsigned f128->i32. |
| define i32 @f7(fp128 *%src) #0 { |
| ; CHECK-LABEL: f7: |
| ; CHECK: vl %v0, 0(%r2) |
| ; CHECK: vrepg %v2, %v0, 1 |
| ; CHECK: clfxbr %r2, 5, %f0, 0 |
| ; CHECK: br %r14 |
| %f = load fp128, fp128 *%src |
| %conv = call i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128 %f, |
| metadata !"fpexcept.strict") #0 |
| ret i32 %conv |
| } |
| |
| ; Test unsigned f128->i64. |
| define i64 @f8(fp128 *%src) #0 { |
| ; CHECK-LABEL: f8: |
| ; CHECK: vl %v0, 0(%r2) |
| ; CHECK: vrepg %v2, %v0, 1 |
| ; CHECK: clgxbr %r2, 5, %f0, 0 |
| ; CHECK: br %r14 |
| %f = load fp128, fp128 *%src |
| %conv = call i64 @llvm.experimental.constrained.fptoui.i64.f128(fp128 %f, |
| metadata !"fpexcept.strict") #0 |
| ret i64 %conv |
| } |
| |
| attributes #0 = { strictfp } |