test/CodeGen/SystemZ/fp-conv-18.mir

# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z10 -start-before=codegenprepare %s \
# RUN: -o - | FileCheck %s

# Test that VEXTEND or VROUND nodes are not emitted without vector support.

--- |
  
  @.str = external dso_local unnamed_addr constant [21 x i8], align 2
  
  define void @fun1() #0 {
  bb:
    %tmp = load <4 x float>, <4 x float>* undef, align 16
    %tmp1 = extractelement <4 x float> %tmp, i32 0
    %tmp2 = fpext float %tmp1 to double
    %tmp3 = extractelement <4 x float> %tmp, i32 2
    %tmp4 = fpext float %tmp3 to double
    tail call void (i8*, ...) @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), double %tmp2, double undef, double %tmp4, double undef)
    ret void
  }
  
  define void @fun2() #0 {
  bb:
    %tmp = load <2 x double>, <2 x double>* undef, align 16
    %tmp1 = extractelement <2 x double> %tmp, i32 0
    %tmp2 = fptrunc double %tmp1 to float
    %tmp3 = extractelement <2 x double> %tmp, i32 1
    %tmp4 = fptrunc double %tmp3 to float
    tail call void (i8*, ...) @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), float %tmp2, float undef, float %tmp4, float undef)
    ret void
  }
  
  declare dso_local void @printf(i8*, ...) #0
  
...

# CHECK-LABEL: fun1:
# CHECK: ldeb
# CHECK-LABEL: fun2:
# CHECK: ledbr

---
name:            fun1
alignment:       4
tracksRegLiveness: true
...
---
name:            fun2
alignment:       4
tracksRegLiveness: true
...