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TheRock/compiler/amd-llvm/llvm/test/Transforms/Util/nofpclass.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

53 lines
1.9 KiB
LLVM

; RUN: opt -S -passes=pgo-icall-prom -icp-total-percent-threshold=0 < %s 2>&1 | FileCheck %s
; Test that CallPromotionUtils will promote calls which require pointer cast
; safely, i.e. drop incompatible attributes.
@foo = common global ptr null, align 8
; correct type, preserve attributes
define double @func_double(double %a) {
ret double poison
}
; drop nofpclass attributes
define i64 @func_i64(i64 %a) {
ret i64 poison
}
define double @cast_scalar_fp(double %arg) {
%tmp = load ptr, ptr @foo, align 8
; Make sure callsite attributes are dropped on arguments and retval.
; CHECK: [[ARG:%[0-9]+]] = bitcast double %arg to i64
; CHECK-NEXT: call i64 @func_i64(i64 [[ARG]])
; Make sure callsite attributes are preserved on arguments and retval.
; CHECK: call nofpclass(inf) double @func_double(double nofpclass(nan)
; CHECK: call nofpclass(inf) double %tmp(double nofpclass(nan) %arg)
%call = call nofpclass(inf) double %tmp(double nofpclass(nan) %arg), !prof !0
ret double %call
}
; ; correct type, preserve attributes
define [2 x [2 x <2 x double>]] @func_array_vector_f64([2 x [2 x <2 x double>]] %a) {
ret [2 x [2 x <2 x double>]] poison
}
; drop nofpclass attributes
define [2 x [2 x <2 x i64>]] @func_array_vector_i64([2 x [2 x <2 x i64>]] %a) {
ret [2 x [2 x <2 x i64>]] poison
}
; FIXME: This is not promoted
; CHECK: %call = call nofpclass(inf) [2 x [2 x <2 x double>]] %tmp([2 x [2 x <2 x double>]] nofpclass(nan) %arg)
define [2 x [2 x <2 x double>]] @cast_array_vector([2 x [2 x <2 x double>]] %arg) {
%tmp = load ptr, ptr @foo, align 8
%call = call nofpclass(inf) [2 x [2 x <2 x double>]] %tmp([2 x [2 x <2 x double>]] nofpclass(nan) %arg), !prof !1
ret [2 x [2 x <2 x double>]] %call
}
!0 = !{!"VP", i32 0, i64 1440, i64 15573779287943805696, i64 1030, i64 16900752280434761561, i64 410}
!1 = !{!"VP", i32 0, i64 1440, i64 1124945363680759394, i64 1030, i64 16341336592352938424, i64 410}