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; REQUIRES: llvm-14-plus
; RUN: igc_opt --opaque-pointers -igc-low-precision-opt -inputps -S < %s | FileCheck %s
; ------------------------------------------------
; LowPrecisionOpt
; ------------------------------------------------
; This test checks that fptrunc bundle works
define void @test_low(float %src) {
; CHECK-LABEL: define void @test_low(
; CHECK-SAME: float [[SRC:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[TMP0:%.*]] = call float @llvm.genx.GenISA.RuntimeValue.f32(i32 1)
; CHECK-NEXT: [[TMP1:%.*]] = fptrunc float [[TMP0]] to half
; CHECK-NEXT: [[TMP2:%.*]] = call float @llvm.genx.GenISA.RuntimeValue.f32(i32 2)
; CHECK-NEXT: [[TMP3:%.*]] = fptrunc float [[TMP2]] to half
; CHECK-NEXT: [[TMP4:%.*]] = alloca half, align 4
; CHECK-NEXT: store half [[TMP1]], ptr [[TMP4]], align 2
; CHECK-NEXT: ret void
;
entry:
; bundles sort GenISA_RuntimeValue + fptrunc
%0 = alloca half, align 4
%1 = call float @llvm.genx.GenISA.RuntimeValue.f32(i32 2)
%2 = fptrunc float %1 to half
%3 = call float @llvm.genx.GenISA.RuntimeValue.f32(i32 1)
%4 = fptrunc float %3 to half
store half %4, half* %0
ret void
}
declare float @llvm.genx.GenISA.RuntimeValue.f32(i32)
!igc.functions = !{!0}
!0 = !{void (float)* @test_low, !1}
!1 = !{!2}
!2 = !{!"function_type", i32 0}
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