; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -march=amdgcn -mcpu=gfx1010 -mattr=+wavefrontsize32,-wavefrontsize64 -global-isel -verify-machineinstrs < %s | FileCheck %s declare i32 @llvm.amdgcn.ballot.i32(i1) ; Test ballot(0) define amdgpu_cs i32 @constant_false() { ; CHECK-LABEL: constant_false: ; CHECK: ; %bb.0: ; CHECK-NEXT: s_mov_b32 s0, 0 ; CHECK-NEXT: ; return to shader part epilog %ballot = call i32 @llvm.amdgcn.ballot.i32(i1 0) ret i32 %ballot } ; Test ballot(1) define amdgpu_cs i32 @constant_true() { ; CHECK-LABEL: constant_true: ; CHECK: ; %bb.0: ; CHECK-NEXT: s_mov_b32 s0, exec_lo ; CHECK-NEXT: ; return to shader part epilog %ballot = call i32 @llvm.amdgcn.ballot.i32(i1 1) ret i32 %ballot } ; Test ballot of a non-comparison operation define amdgpu_cs i32 @non_compare(i32 %x) { ; CHECK-LABEL: non_compare: ; CHECK: ; %bb.0: ; CHECK-NEXT: v_and_b32_e32 v0, 1, v0 ; CHECK-NEXT: v_cmp_ne_u32_e64 s0, 0, v0 ; CHECK-NEXT: ; return to shader part epilog %trunc = trunc i32 %x to i1 %ballot = call i32 @llvm.amdgcn.ballot.i32(i1 %trunc) ret i32 %ballot } ; Test ballot of comparisons define amdgpu_cs i32 @compare_ints(i32 %x, i32 %y) { ; CHECK-LABEL: compare_ints: ; CHECK: ; %bb.0: ; CHECK-NEXT: v_cmp_eq_u32_e64 s0, v0, v1 ; CHECK-NEXT: ; return to shader part epilog %cmp = icmp eq i32 %x, %y %ballot = call i32 @llvm.amdgcn.ballot.i32(i1 %cmp) ret i32 %ballot } define amdgpu_cs i32 @compare_int_with_constant(i32 %x) { ; CHECK-LABEL: compare_int_with_constant: ; CHECK: ; %bb.0: ; CHECK-NEXT: v_cmp_le_i32_e64 s0, 0x63, v0 ; CHECK-NEXT: ; return to shader part epilog %cmp = icmp sge i32 %x, 99 %ballot = call i32 @llvm.amdgcn.ballot.i32(i1 %cmp) ret i32 %ballot } define amdgpu_cs i32 @compare_floats(float %x, float %y) { ; CHECK-LABEL: compare_floats: ; CHECK: ; %bb.0: ; CHECK-NEXT: v_cmp_gt_f32_e64 s0, v0, v1 ; CHECK-NEXT: ; return to shader part epilog %cmp = fcmp ogt float %x, %y %ballot = call i32 @llvm.amdgcn.ballot.i32(i1 %cmp) ret i32 %ballot }