xref: /llvm-project/llvm/test/Transforms/Util/nofpclass.ll (revision 5da674492a5acf8e08a58f611e39ff4cd6a16dfe)
1; RUN: opt -S -passes=pgo-icall-prom -icp-total-percent-threshold=0 < %s 2>&1 | FileCheck %s
2
3; Test that CallPromotionUtils will promote calls which require pointer cast
4; safely, i.e. drop incompatible attributes.
5
6@foo = common global ptr null, align 8
7
8; correct type, preserve attributes
9define double @func_double(double %a) {
10  ret double poison
11}
12
13; drop nofpclass attributes
14define i64 @func_i64(i64 %a) {
15  ret i64 poison
16}
17
18define double @cast_scalar_fp(double %arg) {
19  %tmp = load ptr, ptr @foo, align 8
20
21; Make sure callsite attributes are dropped on arguments and retval.
22; CHECK: [[ARG:%[0-9]+]] = bitcast double %arg to i64
23; CHECK-NEXT: call i64 @func_i64(i64 [[ARG]])
24
25; Make sure callsite attributes are preserved on arguments and retval.
26; CHECK: call nofpclass(inf) double @func_double(double nofpclass(nan)
27
28; CHECK: call nofpclass(inf) double %tmp(double nofpclass(nan) %arg)
29  %call = call nofpclass(inf) double %tmp(double nofpclass(nan) %arg), !prof !0
30  ret double %call
31}
32
33; ; correct type, preserve attributes
34define [2 x [2 x <2 x double>]] @func_array_vector_f64([2 x [2 x <2 x double>]] %a) {
35  ret [2 x [2 x <2 x double>]] poison
36}
37
38; drop nofpclass attributes
39define [2 x [2 x <2 x i64>]] @func_array_vector_i64([2 x [2 x <2 x i64>]] %a) {
40  ret [2 x [2 x <2 x i64>]] poison
41}
42
43; FIXME: This is not promoted
44; CHECK: %call = call nofpclass(inf) [2 x [2 x <2 x double>]] %tmp([2 x [2 x <2 x double>]] nofpclass(nan) %arg)
45define [2 x [2 x <2 x double>]] @cast_array_vector([2 x [2 x <2 x double>]] %arg) {
46  %tmp = load ptr, ptr @foo, align 8
47  %call = call nofpclass(inf) [2 x [2 x <2 x double>]] %tmp([2 x [2 x <2 x double>]] nofpclass(nan) %arg), !prof !1
48  ret [2 x [2 x <2 x double>]] %call
49}
50
51!0 = !{!"VP", i32 0, i64 1440, i64 15573779287943805696, i64 1030, i64 16900752280434761561, i64 410}
52!1 = !{!"VP", i32 0, i64 1440, i64 1124945363680759394, i64 1030, i64 16341336592352938424, i64 410}
53