| ; Test strict conversion of floating-point values to signed i32s. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s |
| |
| declare i32 @llvm.experimental.constrained.fptosi.i32.f32(float, metadata) |
| declare i32 @llvm.experimental.constrained.fptosi.i32.f64(double, metadata) |
| declare i32 @llvm.experimental.constrained.fptosi.i32.f128(fp128, metadata) |
| |
| ; Test f32->i32. |
| define i32 @f1(float %f) #0 { |
| ; CHECK-LABEL: f1: |
| ; CHECK: cfebr %r2, 5, %f0 |
| ; CHECK: br %r14 |
| %conv = call i32 @llvm.experimental.constrained.fptosi.i32.f32(float %f, |
| metadata !"fpexcept.strict") #0 |
| ret i32 %conv |
| } |
| |
| ; Test f64->i32. |
| define i32 @f2(double %f) #0 { |
| ; CHECK-LABEL: f2: |
| ; CHECK: cfdbr %r2, 5, %f0 |
| ; CHECK: br %r14 |
| %conv = call i32 @llvm.experimental.constrained.fptosi.i32.f64(double %f, |
| metadata !"fpexcept.strict") #0 |
| ret i32 %conv |
| } |
| |
| ; Test f128->i32. |
| define i32 @f3(fp128 *%src) #0 { |
| ; CHECK-LABEL: f3: |
| ; CHECK: ld %f0, 0(%r2) |
| ; CHECK: ld %f2, 8(%r2) |
| ; 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 |
| } |
| |
| attributes #0 = { strictfp } |