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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc < %s -mtriple=nvptx64 -mcpu=sm_35 -verify-machineinstrs | FileCheck %s
; RUN: %if ptxas %{ llc < %s -mtriple=nvptx64 -mcpu=sm_35 | %ptxas-verify %}
; Check load from constant global variables. These loads should be
; ld.global.nc (aka ldg).
@gv_float = external constant float
@gv_float2 = external constant <2 x float>
@gv_float4 = external constant <4 x float>
define float @test_gv_float() {
; CHECK-LABEL: test_gv_float(
; CHECK: {
; CHECK-NEXT: .reg .b32 %r<2>;
; CHECK-EMPTY:
; CHECK-NEXT: // %bb.0:
; CHECK-NEXT: ld.global.nc.b32 %r1, [gv_float];
; CHECK-NEXT: st.param.b32 [func_retval0], %r1;
; CHECK-NEXT: ret;
%v = load float, ptr @gv_float
ret float %v
}
define <2 x float> @test_gv_float2() {
; CHECK-LABEL: test_gv_float2(
; CHECK: {
; CHECK-NEXT: .reg .b64 %rd<2>;
; CHECK-EMPTY:
; CHECK-NEXT: // %bb.0:
; CHECK-NEXT: ld.global.nc.b64 %rd1, [gv_float2];
; CHECK-NEXT: st.param.b64 [func_retval0], %rd1;
; CHECK-NEXT: ret;
%v = load <2 x float>, ptr @gv_float2
ret <2 x float> %v
}
define <4 x float> @test_gv_float4() {
; CHECK-LABEL: test_gv_float4(
; CHECK: {
; CHECK-NEXT: .reg .b64 %rd<3>;
; CHECK-EMPTY:
; CHECK-NEXT: // %bb.0:
; CHECK-NEXT: ld.global.nc.v2.b64 {%rd1, %rd2}, [gv_float4];
; CHECK-NEXT: st.param.v2.b64 [func_retval0], {%rd1, %rd2};
; CHECK-NEXT: ret;
%v = load <4 x float>, ptr @gv_float4
ret <4 x float> %v
}
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