xref: /aosp_15_r20/external/llvm/test/CodeGen/SystemZ/fp-conv-12.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; Test conversion of floating-point values to unsigned i64s (z10 only).
2*9880d681SAndroid Build Coastguard Worker;
3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker; z10 doesn't have native support for unsigned fp-to-i64 conversions;
6*9880d681SAndroid Build Coastguard Worker; they were added in z196 as the Convert to Logical family of instructions.
7*9880d681SAndroid Build Coastguard Worker; Convert via signed i64s instead.
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Worker; Test f32->i64.
10*9880d681SAndroid Build Coastguard Workerdefine i64 @f1(float %f) {
11*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1:
12*9880d681SAndroid Build Coastguard Worker; CHECK: cebr
13*9880d681SAndroid Build Coastguard Worker; CHECK: sebr
14*9880d681SAndroid Build Coastguard Worker; CHECK: cgebr
15*9880d681SAndroid Build Coastguard Worker; CHECK: xihf
16*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
17*9880d681SAndroid Build Coastguard Worker  %conv = fptoui float %f to i64
18*9880d681SAndroid Build Coastguard Worker  ret i64 %conv
19*9880d681SAndroid Build Coastguard Worker}
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Worker; Test f64->i64.
22*9880d681SAndroid Build Coastguard Workerdefine i64 @f2(double %f) {
23*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f2:
24*9880d681SAndroid Build Coastguard Worker; CHECK: cdbr
25*9880d681SAndroid Build Coastguard Worker; CHECK: sdbr
26*9880d681SAndroid Build Coastguard Worker; CHECK: cgdbr
27*9880d681SAndroid Build Coastguard Worker; CHECK: xihf
28*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
29*9880d681SAndroid Build Coastguard Worker  %conv = fptoui double %f to i64
30*9880d681SAndroid Build Coastguard Worker  ret i64 %conv
31*9880d681SAndroid Build Coastguard Worker}
32*9880d681SAndroid Build Coastguard Worker
33*9880d681SAndroid Build Coastguard Worker; Test f128->i64.
34*9880d681SAndroid Build Coastguard Workerdefine i64 @f3(fp128 *%src) {
35*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f3:
36*9880d681SAndroid Build Coastguard Worker; CHECK: cxbr
37*9880d681SAndroid Build Coastguard Worker; CHECK: sxbr
38*9880d681SAndroid Build Coastguard Worker; CHECK: cgxbr
39*9880d681SAndroid Build Coastguard Worker; CHECK: xihf
40*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
41*9880d681SAndroid Build Coastguard Worker  %f = load fp128 , fp128 *%src
42*9880d681SAndroid Build Coastguard Worker  %conv = fptoui fp128 %f to i64
43*9880d681SAndroid Build Coastguard Worker  ret i64 %conv
44*9880d681SAndroid Build Coastguard Worker}
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