Files
clang-p2996/llvm/test/CodeGen/SystemZ/fp-conv-06.ll
Kai Nacke a1710eb3cd [SystemZ][NFC] Opaque pointer migration.
The LIT test cases were migrated with the script provided by
Nikita Popov.

No manual changes were made. Committed without review since
no functional changes, after consultation with uweigand.
2022-10-11 21:09:43 +00:00

38 lines
922 B
LLVM

; Test conversions of unsigned i32s to floating-point values (z10 only).
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
; Check i32->f32. There is no native instruction, so we must promote
; to i64 first.
define float @f1(i32 %i) {
; CHECK-LABEL: f1:
; CHECK: llgfr [[REGISTER:%r[0-5]]], %r2
; CHECK: cegbr %f0, [[REGISTER]]
; CHECK: br %r14
%conv = uitofp i32 %i to float
ret float %conv
}
; Check i32->f64.
define double @f2(i32 %i) {
; CHECK-LABEL: f2:
; CHECK: llgfr [[REGISTER:%r[0-5]]], %r2
; CHECK: cdgbr %f0, [[REGISTER]]
; CHECK: br %r14
%conv = uitofp i32 %i to double
ret double %conv
}
; Check i32->f128.
define void @f3(i32 %i, ptr %dst) {
; CHECK-LABEL: f3:
; CHECK: llgfr [[REGISTER:%r[0-5]]], %r2
; CHECK: cxgbr %f0, [[REGISTER]]
; CHECK: std %f0, 0(%r3)
; CHECK: std %f2, 8(%r3)
; CHECK: br %r14
%conv = uitofp i32 %i to fp128
store fp128 %conv, ptr %dst
ret void
}