derek.holloway
7502bf64a4
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50 lines
1.5 KiB
LLVM
50 lines
1.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc < %s -mtriple=nvptx64 -mcpu=sm_35 -verify-machineinstrs | FileCheck %s
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; RUN: %if ptxas %{ llc < %s -mtriple=nvptx64 -mcpu=sm_35 | %ptxas-verify %}
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; Check load from constant global variables. These loads should be
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; ld.global.nc (aka ldg).
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@gv_float = external constant float
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@gv_float2 = external constant <2 x float>
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@gv_float4 = external constant <4 x float>
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define float @test_gv_float() {
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; CHECK-LABEL: test_gv_float(
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; CHECK: {
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; CHECK-NEXT: .reg .b32 %r<2>;
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; CHECK-EMPTY:
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; CHECK-NEXT: // %bb.0:
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; CHECK-NEXT: ld.global.nc.b32 %r1, [gv_float];
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; CHECK-NEXT: st.param.b32 [func_retval0], %r1;
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; CHECK-NEXT: ret;
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%v = load float, ptr @gv_float
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ret float %v
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}
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define <2 x float> @test_gv_float2() {
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; CHECK-LABEL: test_gv_float2(
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; CHECK: {
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; CHECK-NEXT: .reg .b32 %r<3>;
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; CHECK-EMPTY:
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; CHECK-NEXT: // %bb.0:
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; CHECK-NEXT: ld.global.nc.v2.b32 {%r1, %r2}, [gv_float2];
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; CHECK-NEXT: st.param.v2.b32 [func_retval0], {%r1, %r2};
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; CHECK-NEXT: ret;
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%v = load <2 x float>, ptr @gv_float2
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ret <2 x float> %v
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}
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define <4 x float> @test_gv_float4() {
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; CHECK-LABEL: test_gv_float4(
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; CHECK: {
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; CHECK-NEXT: .reg .b32 %r<5>;
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; CHECK-EMPTY:
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; CHECK-NEXT: // %bb.0:
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; CHECK-NEXT: ld.global.nc.v4.b32 {%r1, %r2, %r3, %r4}, [gv_float4];
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; CHECK-NEXT: st.param.v4.b32 [func_retval0], {%r1, %r2, %r3, %r4};
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; CHECK-NEXT: ret;
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%v = load <4 x float>, ptr @gv_float4
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ret <4 x float> %v
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}
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