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TheRock/compiler/spirv-llvm-translator/test/transcoding/bitcast.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

50 lines
1.9 KiB
LLVM

; RUN: llvm-as %s -o %t.bc
; RUN: llvm-spirv %t.bc -o %t.spv
; RUN: llvm-spirv %t.bc -spirv-text -o %t.txt
; RUN: FileCheck < %t.txt %s --check-prefix=CHECK-SPIRV
; RUN: spirv-val %t.spv
; RUN: llvm-spirv -r -o - %t.spv | llvm-dis | FileCheck %s --check-prefix=CHECK-LLVM
; RUN: %if spirv-backend %{ llc -O0 -mtriple=spirv64-unknown-unknown -filetype=obj %s -o %t.llc.spv %}
; RUN: %if spirv-backend %{ llvm-spirv -r %t.llc.spv -o %t.llc.rev.bc %}
; RUN: %if spirv-backend %{ llvm-dis %t.llc.rev.bc -o %t.llc.rev.ll %}
; RUN: %if spirv-backend %{ FileCheck %s --check-prefix=CHECK-LLVM < %t.llc.rev.ll %}
target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024"
target triple = "spir64"
; CHECK-SPIRV-DAG: TypeInt [[#TyInt32:]] 32 0
; CHECK-SPIRV-DAG: TypeInt [[#TyInt16:]] 16 0
; CHECK-SPIRV-DAG: TypeFloat [[#TyHalf:]] 16
; CHECK-SPIRV-DAG: TypeVector [[#vec4_int_16:]] [[#TyInt16]] 4
; CHECK-SPIRV-DAG: TypeVector [[#vec4_float_16:]] [[#TyHalf]] 4
; CHECK-SPIRV-DAG: FunctionParameter [[#TyInt32]] [[#Arg32:]]
; CHECK-SPIRV-DAG: UConvert [[#TyInt16]] [[#Arg16:]] [[#Arg32]]
; CHECK-SPIRV-DAG: Bitcast [[#TyHalf]] [[#ValHalf:]] [[#Arg16]]
; CHECK-SPIRV-DAG: FMul [[#TyHalf]] [[#ValHalf2:]] [[#ValHalf]] [[#ValHalf]]
; CHECK-SPIRV-DAG: Bitcast [[#TyInt16]] [[#Res16:]] [[#ValHalf2]]
; CHECK-SPIRV-DAG: ReturnValue [[#Res16]]
; CHECK-LLVM: trunc
; CHECK-LLVM: bitcast
; CHECK-LLVM: fmul
; CHECK-LLVM: bitcast
define i16 @foo(i32 %arg) {
entry:
%op16 = trunc i32 %arg to i16
%val = bitcast i16 %op16 to half
%val2 = fmul half %val, %val
%res = bitcast half %val2 to i16
ret i16 %res
}
define <4 x i16> @test_vector_half4(<4 x half> nofpclass(nan inf) %p1) {
entry:
; CHECK-SPIRV: FunctionParameter [[#vec4_float_16]] [[#arg0:]]
; CHECK-SPIRV: Bitcast [[#vec4_int_16]] [[#Res1:]] [[#arg0]]
; CHECK-LLVM: bitcast
%0 = bitcast <4 x half> %p1 to <4 x i16>
; CHECK-SPIRV: ReturnValue [[#Res1]]
ret <4 x i16> %0
}