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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=instsimplify -S < %s | FileCheck %s
; Verify that we don't crash with an assertion failure when constant folding
; a call to intrinsic 'convert.from.fp16' if the return type is not 'float'.
define float @fold_from_fp16_to_fp32() {
; CHECK-LABEL: @fold_from_fp16_to_fp32(
; CHECK-NEXT: ret float 0.000000e+00
;
%r = call float @llvm.convert.from.fp16.f32(i16 0)
ret float %r
}
define double @fold_from_fp16_to_fp64() {
; CHECK-LABEL: @fold_from_fp16_to_fp64(
; CHECK-NEXT: ret double 0.000000e+00
;
%r = call double @llvm.convert.from.fp16.f64(i16 0)
ret double %r
}
define x86_fp80 @fold_from_fp16_to_fp80() {
; CHECK-LABEL: @fold_from_fp16_to_fp80(
; CHECK-NEXT: ret x86_fp80 0xK00000000000000000000
;
%r = call x86_fp80 @llvm.convert.from.fp16.f80(i16 0)
ret x86_fp80 %r
}
define fp128 @fold_from_fp16_to_fp128() {
; CHECK-LABEL: @fold_from_fp16_to_fp128(
; CHECK-NEXT: ret fp128 0xL00000000000000000000000000000000
;
%r = call fp128 @llvm.convert.from.fp16.f128(i16 0)
ret fp128 %r
}
define ppc_fp128 @fold_from_fp16_to_ppcfp128() {
; CHECK-LABEL: @fold_from_fp16_to_ppcfp128(
; CHECK-NEXT: ret ppc_fp128 0xM00000000000000000000000000000000
;
%r = call ppc_fp128 @llvm.convert.from.fp16.ppcf128(i16 0)
ret ppc_fp128 %r
}
define float @fold_from_fp16_to_fp32_b() {
; CHECK-LABEL: @fold_from_fp16_to_fp32_b(
; CHECK-NEXT: ret float 4.000000e+00
;
%a = call i16 @llvm.convert.to.fp16.f64(double 4.0)
%r = call float @llvm.convert.from.fp16.f32(i16 %a)
ret float %r
}
define double @fold_from_fp16_to_fp64_b() {
; CHECK-LABEL: @fold_from_fp16_to_fp64_b(
; CHECK-NEXT: ret double 4.000000e+00
;
%a = call i16 @llvm.convert.to.fp16.f64(double 4.0)
%r = call double @llvm.convert.from.fp16.f64(i16 %a)
ret double %r
}
define x86_fp80 @fold_from_fp16_to_fp80_b() {
; CHECK-LABEL: @fold_from_fp16_to_fp80_b(
; CHECK-NEXT: ret x86_fp80 0xK40018000000000000000
;
%a = call i16 @llvm.convert.to.fp16.f64(double 4.0)
%r = call x86_fp80 @llvm.convert.from.fp16.f80(i16 %a)
ret x86_fp80 %r
}
define fp128 @fold_from_fp16_to_fp128_b() {
; CHECK-LABEL: @fold_from_fp16_to_fp128_b(
; CHECK-NEXT: ret fp128 0xL00000000000000004001000000000000
;
%a = call i16 @llvm.convert.to.fp16.f64(double 4.0)
%r = call fp128 @llvm.convert.from.fp16.f128(i16 %a)
ret fp128 %r
}
define ppc_fp128 @fold_from_fp16_to_ppcfp128_b() {
; CHECK-LABEL: @fold_from_fp16_to_ppcfp128_b(
; CHECK-NEXT: ret ppc_fp128 0xM40100000000000000000000000000000
;
%a = call i16 @llvm.convert.to.fp16.f64(double 4.0)
%r = call ppc_fp128 @llvm.convert.from.fp16.ppcf128(i16 %a)
ret ppc_fp128 %r
}
; This would assert because converting SNAN causes an invalidOp status.
; PR56981
define float @convert_snan() {
; CHECK-LABEL: @convert_snan(
; CHECK-NEXT: ret float 0x7FF8040000000000
;
%r = call float @llvm.convert.from.fp16.f32(i16 31745) ; 0x7c01
ret float %r
}
declare i16 @llvm.convert.to.fp16.f64(double)
declare float @llvm.convert.from.fp16.f32(i16)
declare double @llvm.convert.from.fp16.f64(i16)
declare x86_fp80 @llvm.convert.from.fp16.f80(i16)
declare fp128 @llvm.convert.from.fp16.f128(i16)
declare ppc_fp128 @llvm.convert.from.fp16.ppcf128(i16)
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