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186 lines
4.8 KiB
186 lines
4.8 KiB
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck %s
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; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck %s
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; CHECK-LABEL: {{^}}inline_asm:
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; CHECK: s_endpgm
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; CHECK: s_endpgm
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define void @inline_asm(i32 addrspace(1)* %out) {
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entry:
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store i32 5, i32 addrspace(1)* %out
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call void asm sideeffect "s_endpgm", ""()
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ret void
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}
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; CHECK-LABEL: {{^}}inline_asm_shader:
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; CHECK: s_endpgm
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; CHECK: s_endpgm
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define amdgpu_ps void @inline_asm_shader() {
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entry:
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call void asm sideeffect "s_endpgm", ""()
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ret void
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}
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; CHECK: {{^}}branch_on_asm:
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; Make sure inline assembly is treted as divergent.
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; CHECK: s_mov_b32 s{{[0-9]+}}, 0
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; CHECK: s_and_saveexec_b64
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define void @branch_on_asm(i32 addrspace(1)* %out) {
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%zero = call i32 asm "s_mov_b32 $0, 0", "=s"()
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%cmp = icmp eq i32 %zero, 0
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br i1 %cmp, label %if, label %endif
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if:
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store i32 0, i32 addrspace(1)* %out
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br label %endif
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endif:
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ret void
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}
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; CHECK-LABEL: {{^}}v_cmp_asm:
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; CHECK: v_mov_b32_e32 [[SRC:v[0-9]+]], s{{[0-9]+}}
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; CHECK: v_cmp_ne_i32_e64 s{{\[}}[[MASK_LO:[0-9]+]]:[[MASK_HI:[0-9]+]]{{\]}}, 0, [[SRC]]
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; CHECK-DAG: v_mov_b32_e32 v[[V_LO:[0-9]+]], s[[MASK_LO]]
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; CHECK-DAG: v_mov_b32_e32 v[[V_HI:[0-9]+]], s[[MASK_HI]]
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; CHECK: buffer_store_dwordx2 v{{\[}}[[V_LO]]:[[V_HI]]{{\]}}
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define void @v_cmp_asm(i64 addrspace(1)* %out, i32 %in) {
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%sgpr = tail call i64 asm "v_cmp_ne_i32_e64 $0, 0, $1", "=s,v"(i32 %in)
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store i64 %sgpr, i64 addrspace(1)* %out
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ret void
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}
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; CHECK-LABEL: {{^}}code_size_inline_asm:
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; CHECK: codeLenInByte = 12
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define void @code_size_inline_asm(i32 addrspace(1)* %out) {
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entry:
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call void asm sideeffect "v_nop_e64", ""()
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ret void
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}
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; All inlineasm instructions are assumed to be the maximum size
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; CHECK-LABEL: {{^}}code_size_inline_asm_small_inst:
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; CHECK: codeLenInByte = 12
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define void @code_size_inline_asm_small_inst(i32 addrspace(1)* %out) {
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entry:
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call void asm sideeffect "v_nop_e32", ""()
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ret void
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}
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; CHECK-LABEL: {{^}}code_size_inline_asm_2_inst:
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; CHECK: codeLenInByte = 20
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define void @code_size_inline_asm_2_inst(i32 addrspace(1)* %out) {
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entry:
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call void asm sideeffect "
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v_nop_e64
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v_nop_e64
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", ""()
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ret void
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}
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; CHECK-LABEL: {{^}}code_size_inline_asm_2_inst_extra_newline:
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; CHECK: codeLenInByte = 20
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define void @code_size_inline_asm_2_inst_extra_newline(i32 addrspace(1)* %out) {
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entry:
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call void asm sideeffect "
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v_nop_e64
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v_nop_e64
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", ""()
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ret void
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}
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; CHECK-LABEL: {{^}}code_size_inline_asm_0_inst:
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; CHECK: codeLenInByte = 4
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define void @code_size_inline_asm_0_inst(i32 addrspace(1)* %out) {
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entry:
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call void asm sideeffect "", ""()
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ret void
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}
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; CHECK-LABEL: {{^}}code_size_inline_asm_1_comment:
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; CHECK: codeLenInByte = 4
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define void @code_size_inline_asm_1_comment(i32 addrspace(1)* %out) {
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entry:
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call void asm sideeffect "; comment", ""()
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ret void
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}
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; CHECK-LABEL: {{^}}code_size_inline_asm_newline_1_comment:
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; CHECK: codeLenInByte = 4
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define void @code_size_inline_asm_newline_1_comment(i32 addrspace(1)* %out) {
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entry:
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call void asm sideeffect "
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; comment", ""()
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ret void
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}
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; CHECK-LABEL: {{^}}code_size_inline_asm_1_comment_newline:
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; CHECK: codeLenInByte = 4
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define void @code_size_inline_asm_1_comment_newline(i32 addrspace(1)* %out) {
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entry:
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call void asm sideeffect "; comment
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", ""()
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ret void
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}
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; CHECK-LABEL: {{^}}code_size_inline_asm_2_comments_line:
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; CHECK: codeLenInByte = 4
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define void @code_size_inline_asm_2_comments_line(i32 addrspace(1)* %out) {
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entry:
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call void asm sideeffect "; first comment ; second comment", ""()
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ret void
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}
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; CHECK-LABEL: {{^}}code_size_inline_asm_2_comments_line_nospace:
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; CHECK: codeLenInByte = 4
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define void @code_size_inline_asm_2_comments_line_nospace(i32 addrspace(1)* %out) {
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entry:
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call void asm sideeffect "; first comment;second comment", ""()
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ret void
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}
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; CHECK-LABEL: {{^}}code_size_inline_asm_mixed_comments0:
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; CHECK: codeLenInByte = 20
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define void @code_size_inline_asm_mixed_comments0(i32 addrspace(1)* %out) {
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entry:
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call void asm sideeffect "; comment
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v_nop_e64 ; inline comment
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; separate comment
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v_nop_e64
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; trailing comment
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; extra comment
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", ""()
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ret void
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}
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; CHECK-LABEL: {{^}}code_size_inline_asm_mixed_comments1:
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; CHECK: codeLenInByte = 20
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define void @code_size_inline_asm_mixed_comments1(i32 addrspace(1)* %out) {
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entry:
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call void asm sideeffect "v_nop_e64 ; inline comment
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; separate comment
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v_nop_e64
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; trailing comment
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; extra comment
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", ""()
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ret void
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}
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; CHECK-LABEL: {{^}}code_size_inline_asm_mixed_comments_operands:
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; CHECK: codeLenInByte = 20
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define void @code_size_inline_asm_mixed_comments_operands(i32 addrspace(1)* %out) {
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entry:
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call void asm sideeffect "; comment
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v_add_i32_e32 v0, vcc, v1, v2 ; inline comment
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; separate comment
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v_bfrev_b32_e32 v0, 1
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; trailing comment
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; extra comment
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", ""()
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ret void
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}
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