| ; Test strict conversion of floating-point values to unsigned integers. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s |
| |
| declare i32 @llvm.experimental.constrained.fptoui.i32.f32(float, metadata) |
| declare i32 @llvm.experimental.constrained.fptoui.i32.f64(double, metadata) |
| declare i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128, metadata) |
| |
| declare i64 @llvm.experimental.constrained.fptoui.i64.f32(float, metadata) |
| declare i64 @llvm.experimental.constrained.fptoui.i64.f64(double, metadata) |
| declare i64 @llvm.experimental.constrained.fptoui.i64.f128(fp128, metadata) |
| |
| ; Test f32->i32. |
| define i32 @f1(float %f) #0 { |
| ; CHECK-LABEL: f1: |
| ; CHECK: clfebr %r2, 5, %f0, 0 |
| ; CHECK: br %r14 |
| %conv = call i32 @llvm.experimental.constrained.fptoui.i32.f32(float %f, |
| metadata !"fpexcept.strict") #0 |
| ret i32 %conv |
| } |
| |
| ; Test f64->i32. |
| define i32 @f2(double %f) #0 { |
| ; CHECK-LABEL: f2: |
| ; CHECK: clfdbr %r2, 5, %f0, 0 |
| ; CHECK: br %r14 |
| %conv = call i32 @llvm.experimental.constrained.fptoui.i32.f64(double %f, |
| metadata !"fpexcept.strict") #0 |
| ret i32 %conv |
| } |
| |
| ; Test f128->i32. |
| define i32 @f3(ptr %src) #0 { |
| ; CHECK-LABEL: f3: |
| ; CHECK-DAG: ld %f0, 0(%r2) |
| ; CHECK-DAG: ld %f2, 8(%r2) |
| ; CHECK: clfxbr %r2, 5, %f0, 0 |
| ; CHECK: br %r14 |
| %f = load fp128, ptr %src |
| %conv = call i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128 %f, |
| metadata !"fpexcept.strict") #0 |
| ret i32 %conv |
| } |
| |
| ; Test f32->i64. |
| define i64 @f4(float %f) #0 { |
| ; CHECK-LABEL: f4: |
| ; CHECK: clgebr %r2, 5, %f0, 0 |
| ; CHECK: br %r14 |
| %conv = call i64 @llvm.experimental.constrained.fptoui.i64.f32(float %f, |
| metadata !"fpexcept.strict") #0 |
| ret i64 %conv |
| } |
| |
| ; Test f64->i64. |
| define i64 @f5(double %f) #0 { |
| ; CHECK-LABEL: f5: |
| ; CHECK: clgdbr %r2, 5, %f0, 0 |
| ; CHECK: br %r14 |
| %conv = call i64 @llvm.experimental.constrained.fptoui.i64.f64(double %f, |
| metadata !"fpexcept.strict") #0 |
| ret i64 %conv |
| } |
| |
| ; Test f128->i64. |
| define i64 @f6(ptr %src) #0 { |
| ; CHECK-LABEL: f6: |
| ; CHECK-DAG: ld %f0, 0(%r2) |
| ; CHECK-DAG: ld %f2, 8(%r2) |
| ; CHECK: clgxbr %r2, 5, %f0, 0 |
| ; CHECK: br %r14 |
| %f = load fp128, ptr %src |
| %conv = call i64 @llvm.experimental.constrained.fptoui.i64.f128(fp128 %f, |
| metadata !"fpexcept.strict") #0 |
| ret i64 %conv |
| } |
| |
| attributes #0 = { strictfp } |