llvm-6502/test/CodeGen/R600/min.ll

; RUN: llc -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s

declare i32 @llvm.r600.read.tidig.x() nounwind readnone

; FUNC-LABEL: @v_test_imin_sle_i32
; SI: v_min_i32_e32
define void @v_test_imin_sle_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
  %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
  %gep0 = getelementptr i32 addrspace(1)* %aptr, i32 %tid
  %gep1 = getelementptr i32 addrspace(1)* %bptr, i32 %tid
  %outgep = getelementptr i32 addrspace(1)* %out, i32 %tid
  %a = load i32 addrspace(1)* %gep0, align 4
  %b = load i32 addrspace(1)* %gep1, align 4
  %cmp = icmp sle i32 %a, %b
  %val = select i1 %cmp, i32 %a, i32 %b
  store i32 %val, i32 addrspace(1)* %outgep, align 4
  ret void
}

; FUNC-LABEL: @s_test_imin_sle_i32
; SI: s_min_i32
define void @s_test_imin_sle_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwind {
  %cmp = icmp sle i32 %a, %b
  %val = select i1 %cmp, i32 %a, i32 %b
  store i32 %val, i32 addrspace(1)* %out, align 4
  ret void
}

; FUNC-LABEL: @v_test_imin_slt_i32
; SI: v_min_i32_e32
define void @v_test_imin_slt_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
  %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
  %gep0 = getelementptr i32 addrspace(1)* %aptr, i32 %tid
  %gep1 = getelementptr i32 addrspace(1)* %bptr, i32 %tid
  %outgep = getelementptr i32 addrspace(1)* %out, i32 %tid
  %a = load i32 addrspace(1)* %gep0, align 4
  %b = load i32 addrspace(1)* %gep1, align 4
  %cmp = icmp slt i32 %a, %b
  %val = select i1 %cmp, i32 %a, i32 %b
  store i32 %val, i32 addrspace(1)* %outgep, align 4
  ret void
}

; FUNC-LABEL: @s_test_imin_slt_i32
; SI: s_min_i32
define void @s_test_imin_slt_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwind {
  %cmp = icmp slt i32 %a, %b
  %val = select i1 %cmp, i32 %a, i32 %b
  store i32 %val, i32 addrspace(1)* %out, align 4
  ret void
}

; FUNC-LABEL: @v_test_umin_ule_i32
; SI: v_min_u32_e32
define void @v_test_umin_ule_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
  %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
  %gep0 = getelementptr i32 addrspace(1)* %aptr, i32 %tid
  %gep1 = getelementptr i32 addrspace(1)* %bptr, i32 %tid
  %outgep = getelementptr i32 addrspace(1)* %out, i32 %tid
  %a = load i32 addrspace(1)* %gep0, align 4
  %b = load i32 addrspace(1)* %gep1, align 4
  %cmp = icmp ule i32 %a, %b
  %val = select i1 %cmp, i32 %a, i32 %b
  store i32 %val, i32 addrspace(1)* %outgep, align 4
  ret void
}

; FUNC-LABEL: @s_test_umin_ule_i32
; SI: s_min_u32
define void @s_test_umin_ule_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwind {
  %cmp = icmp ule i32 %a, %b
  %val = select i1 %cmp, i32 %a, i32 %b
  store i32 %val, i32 addrspace(1)* %out, align 4
  ret void
}

; FUNC-LABEL: @v_test_umin_ult_i32
; SI: v_min_u32_e32
define void @v_test_umin_ult_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
  %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
  %gep0 = getelementptr i32 addrspace(1)* %aptr, i32 %tid
  %gep1 = getelementptr i32 addrspace(1)* %bptr, i32 %tid
  %outgep = getelementptr i32 addrspace(1)* %out, i32 %tid
  %a = load i32 addrspace(1)* %gep0, align 4
  %b = load i32 addrspace(1)* %gep1, align 4
  %cmp = icmp ult i32 %a, %b
  %val = select i1 %cmp, i32 %a, i32 %b
  store i32 %val, i32 addrspace(1)* %outgep, align 4
  ret void
}

; FUNC-LABEL: @s_test_umin_ult_i32
; SI: s_min_u32
define void @s_test_umin_ult_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwind {
  %cmp = icmp ult i32 %a, %b
  %val = select i1 %cmp, i32 %a, i32 %b
  store i32 %val, i32 addrspace(1)* %out, align 4
  ret void
}

; FUNC-LABEL: @v_test_umin_ult_i32_multi_use
; SI-NOT: v_min
; SI: v_cmp_lt_u32
; SI-NEXT: v_cndmask_b32
; SI-NOT: v_min
; SI: s_endpgm
define void @v_test_umin_ult_i32_multi_use(i32 addrspace(1)* %out0, i1 addrspace(1)* %out1, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
  %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
  %gep0 = getelementptr i32 addrspace(1)* %aptr, i32 %tid
  %gep1 = getelementptr i32 addrspace(1)* %bptr, i32 %tid
  %outgep0 = getelementptr i32 addrspace(1)* %out0, i32 %tid
  %outgep1 = getelementptr i1 addrspace(1)* %out1, i32 %tid
  %a = load i32 addrspace(1)* %gep0, align 4
  %b = load i32 addrspace(1)* %gep1, align 4
  %cmp = icmp ult i32 %a, %b
  %val = select i1 %cmp, i32 %a, i32 %b
  store i32 %val, i32 addrspace(1)* %outgep0, align 4
  store i1 %cmp, i1 addrspace(1)* %outgep1
  ret void
}