| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | |
| ; RUN: llc -mtriple=amdgpu11.70 -mattr=+real-true16 < %s | FileCheck -check-prefixes=GCN,TRUE16,GFX1170-SDAG,GFX1170-SDAG-TRUE16 %s | |
| ; RUN: llc -mtriple=amdgpu11.70 -mattr=-real-true16 < %s | FileCheck -check-prefixes=GCN,FAKE16,GFX1170-SDAG,GFX1170-SDAG-FAKE16 %s | |
| ; RUN: llc -global-isel=1 -mtriple=amdgpu11.70 -mattr=+real-true16 < %s | FileCheck -check-prefixes=GCN,TRUE16,GFX1170-GISEL,GFX1170-GISEL-TRUE16 %s | |
| ; RUN: llc -global-isel=1 -mtriple=amdgpu11.70 -mattr=-real-true16 < %s | FileCheck -check-prefixes=GCN,FAKE16,GFX1170-GISEL,GFX1170-GISEL-FAKE16 %s | |
| ; RUN: llc -mtriple=amdgpu12.00 -mattr=+real-true16 < %s | FileCheck -check-prefixes=GCN,GFX12-SDAG,GFX12-SDAG-TRUE16 %s | |
| ; RUN: llc -mtriple=amdgpu12.00 -mattr=-real-true16 < %s | FileCheck -check-prefixes=GCN,GFX12-SDAG,GFX12-SDAG-FAKE16 %s | |
| ; RUN: llc -global-isel -mtriple=amdgpu12.00 -mattr=+real-true16 < %s | FileCheck -check-prefixes=GCN,GFX12-GISEL,GFX12-GISEL-TRUE16 %s | |
| ; RUN: llc -global-isel -mtriple=amdgpu12.00 -mattr=-real-true16 < %s | FileCheck -check-prefixes=GCN,GFX12-GISEL,GFX12-GISEL-FAKE16 %s | |
| define amdgpu_ps float @test_minmax_f32(float %a, float %b, float %c) { | |
| ; GCN-LABEL: test_minmax_f32: | |
| ; GCN: ; %bb.0: | |
| ; GCN-NEXT: v_maximumminimum_f32 v0, v0, v1, v2 | |
| ; GCN-NEXT: ; return to shader part epilog | |
| %max = call float @llvm.maximum.f32(float %a, float %b) | |
| %minmax = call float @llvm.minimum.f32(float %max, float %c) | |
| ret float %minmax | |
| } | |
| define amdgpu_ps void @s_test_minmax_f32(float inreg %a, float inreg %b, float inreg %c, ptr addrspace(1) inreg %out) { | |
| ; GFX1170-SDAG-LABEL: s_test_minmax_f32: | |
| ; GFX1170-SDAG: ; %bb.0: | |
| ; GFX1170-SDAG-NEXT: v_maximum_f32 v0, s0, s1 | |
| ; GFX1170-SDAG-NEXT: v_mov_b32_e32 v1, 0 | |
| ; GFX1170-SDAG-NEXT: s_mov_b32 s5, s4 | |
| ; GFX1170-SDAG-NEXT: s_mov_b32 s4, s3 | |
| ; GFX1170-SDAG-NEXT: s_delay_alu instid0(VALU_DEP_2) | |
| ; GFX1170-SDAG-NEXT: v_minimum_f32 v0, v0, s2 | |
| ; GFX1170-SDAG-NEXT: global_store_b32 v1, v0, s[4:5] | |
| ; GFX1170-SDAG-NEXT: s_endpgm | |
| ; | |
| ; GFX1170-GISEL-LABEL: s_test_minmax_f32: | |
| ; GFX1170-GISEL: ; %bb.0: | |
| ; GFX1170-GISEL-NEXT: v_dual_mov_b32 v0, s2 :: v_dual_mov_b32 v1, 0 | |
| ; GFX1170-GISEL-NEXT: s_mov_b32 s6, s3 | |
| ; GFX1170-GISEL-NEXT: s_mov_b32 s7, s4 | |
| ; GFX1170-GISEL-NEXT: s_delay_alu instid0(VALU_DEP_1) | |
| ; GFX1170-GISEL-NEXT: v_maximumminimum_f32 v0, s0, s1, v0 | |
| ; GFX1170-GISEL-NEXT: global_store_b32 v1, v0, s[6:7] | |
| ; GFX1170-GISEL-NEXT: s_endpgm | |
| ; | |
| ; GFX12-SDAG-LABEL: s_test_minmax_f32: | |
| ; GFX12-SDAG: ; %bb.0: | |
| ; GFX12-SDAG-NEXT: s_maximum_f32 s0, s0, s1 | |
| ; GFX12-SDAG-NEXT: s_mov_b32 s5, s4 | |
| ; GFX12-SDAG-NEXT: s_mov_b32 s4, s3 | |
| ; GFX12-SDAG-NEXT: s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_3) | |
| ; GFX12-SDAG-NEXT: s_minimum_f32 s0, s0, s2 | |
| ; GFX12-SDAG-NEXT: v_dual_mov_b32 v0, 0 :: v_dual_mov_b32 v1, s0 | |
| ; GFX12-SDAG-NEXT: global_store_b32 v0, v1, s[4:5] | |
| ; GFX12-SDAG-NEXT: s_endpgm | |
| ; | |
| ; GFX12-GISEL-LABEL: s_test_minmax_f32: | |
| ; GFX12-GISEL: ; %bb.0: | |
| ; GFX12-GISEL-NEXT: s_maximum_f32 s0, s0, s1 | |
| ; GFX12-GISEL-NEXT: s_mov_b32 s6, s3 | |
| ; GFX12-GISEL-NEXT: s_mov_b32 s7, s4 | |
| ; GFX12-GISEL-NEXT: v_mov_b32_e32 v1, 0 | |
| ; GFX12-GISEL-NEXT: s_minimum_f32 s0, s0, s2 | |
| ; GFX12-GISEL-NEXT: s_delay_alu instid0(SALU_CYCLE_3) | |
| ; GFX12-GISEL-NEXT: v_mov_b32_e32 v0, s0 | |
| ; GFX12-GISEL-NEXT: global_store_b32 v1, v0, s[6:7] | |
| ; GFX12-GISEL-NEXT: s_endpgm | |
| %smax = call float @llvm.maximum.f32(float %a, float %b) | |
| %sminmax = call float @llvm.minimum.f32(float %smax, float %c) | |
| store float %sminmax, ptr addrspace(1) %out | |
| ret void | |
| } | |
| define amdgpu_ps float @test_minmax_commuted_f32(float %a, float %b, float %c) { | |
| ; GCN-LABEL: test_minmax_commuted_f32: | |
| ; GCN: ; %bb.0: | |
| ; GCN-NEXT: v_maximumminimum_f32 v0, v0, v1, v2 | |
| ; GCN-NEXT: ; return to shader part epilog | |
| %max = call float @llvm.maximum.f32(float %a, float %b) | |
| %minmax = call float @llvm.minimum.f32(float %c, float %max) | |
| ret float %minmax | |
| } | |
| define amdgpu_ps float @test_maxmin_f32(float %a, float %b, float %c) { | |
| ; GCN-LABEL: test_maxmin_f32: | |
| ; GCN: ; %bb.0: | |
| ; GCN-NEXT: v_minimummaximum_f32 v0, v0, v1, v2 | |
| ; GCN-NEXT: ; return to shader part epilog | |
| %min = call float @llvm.minimum.f32(float %a, float %b) | |
| %maxmin = call float @llvm.maximum.f32(float %min, float %c) | |
| ret float %maxmin | |
| } | |
| define amdgpu_ps float @test_maxmin_commuted_f32(float %a, float %b, float %c) { | |
| ; GCN-LABEL: test_maxmin_commuted_f32: | |
| ; GCN: ; %bb.0: | |
| ; GCN-NEXT: v_minimummaximum_f32 v0, v0, v1, v2 | |
| ; GCN-NEXT: ; return to shader part epilog | |
| %min = call float @llvm.minimum.f32(float %a, float %b) | |
| %maxmin = call float @llvm.maximum.f32(float %c, float %min) | |
| ret float %maxmin | |
| } | |
| define amdgpu_ps half @test_minmax_f16(half %a, half %b, half %c) { | |
| ; TRUE16-LABEL: test_minmax_f16: | |
| ; TRUE16: ; %bb.0: | |
| ; TRUE16-NEXT: v_maximumminimum_f16 v0.l, v0.l, v1.l, v2.l | |
| ; TRUE16-NEXT: ; return to shader part epilog | |
| ; | |
| ; FAKE16-LABEL: test_minmax_f16: | |
| ; FAKE16: ; %bb.0: | |
| ; FAKE16-NEXT: v_maximumminimum_f16 v0, v0, v1, v2 | |
| ; FAKE16-NEXT: ; return to shader part epilog | |
| ; | |
| ; GFX12-SDAG-TRUE16-LABEL: test_minmax_f16: | |
| ; GFX12-SDAG-TRUE16: ; %bb.0: | |
| ; GFX12-SDAG-TRUE16-NEXT: v_maximumminimum_f16 v0.l, v0.l, v1.l, v2.l | |
| ; GFX12-SDAG-TRUE16-NEXT: ; return to shader part epilog | |
| ; | |
| ; GFX12-SDAG-FAKE16-LABEL: test_minmax_f16: | |
| ; GFX12-SDAG-FAKE16: ; %bb.0: | |
| ; GFX12-SDAG-FAKE16-NEXT: v_maximumminimum_f16 v0, v0, v1, v2 | |
| ; GFX12-SDAG-FAKE16-NEXT: ; return to shader part epilog | |
| ; | |
| ; GFX12-GISEL-TRUE16-LABEL: test_minmax_f16: | |
| ; GFX12-GISEL-TRUE16: ; %bb.0: | |
| ; GFX12-GISEL-TRUE16-NEXT: v_maximumminimum_f16 v0.l, v0.l, v1.l, v2.l | |
| ; GFX12-GISEL-TRUE16-NEXT: ; return to shader part epilog | |
| ; | |
| ; GFX12-GISEL-FAKE16-LABEL: test_minmax_f16: | |
| ; GFX12-GISEL-FAKE16: ; %bb.0: | |
| ; GFX12-GISEL-FAKE16-NEXT: v_maximumminimum_f16 v0, v0, v1, v2 | |
| ; GFX12-GISEL-FAKE16-NEXT: ; return to shader part epilog | |
| %max = call half @llvm.maximum.f16(half %a, half %b) | |
| %minmax = call half @llvm.minimum.f16(half %max, half %c) | |
| ret half %minmax | |
| } | |
| define amdgpu_ps half @test_minmax_commuted_f16(half %a, half %b, half %c) { | |
| ; TRUE16-LABEL: test_minmax_commuted_f16: | |
| ; TRUE16: ; %bb.0: | |
| ; TRUE16-NEXT: v_maximumminimum_f16 v0.l, v0.l, v1.l, v2.l | |
| ; TRUE16-NEXT: ; return to shader part epilog | |
| ; | |
| ; FAKE16-LABEL: test_minmax_commuted_f16: | |
| ; FAKE16: ; %bb.0: | |
| ; FAKE16-NEXT: v_maximumminimum_f16 v0, v0, v1, v2 | |
| ; FAKE16-NEXT: ; return to shader part epilog | |
| ; | |
| ; GFX12-SDAG-TRUE16-LABEL: test_minmax_commuted_f16: | |
| ; GFX12-SDAG-TRUE16: ; %bb.0: | |
| ; GFX12-SDAG-TRUE16-NEXT: v_maximumminimum_f16 v0.l, v0.l, v1.l, v2.l | |
| ; GFX12-SDAG-TRUE16-NEXT: ; return to shader part epilog | |
| ; | |
| ; GFX12-SDAG-FAKE16-LABEL: test_minmax_commuted_f16: | |
| ; GFX12-SDAG-FAKE16: ; %bb.0: | |
| ; GFX12-SDAG-FAKE16-NEXT: v_maximumminimum_f16 v0, v0, v1, v2 | |
| ; GFX12-SDAG-FAKE16-NEXT: ; return to shader part epilog | |
| ; | |
| ; GFX12-GISEL-TRUE16-LABEL: test_minmax_commuted_f16: | |
| ; GFX12-GISEL-TRUE16: ; %bb.0: | |
| ; GFX12-GISEL-TRUE16-NEXT: v_maximumminimum_f16 v0.l, v0.l, v1.l, v2.l | |
| ; GFX12-GISEL-TRUE16-NEXT: ; return to shader part epilog | |
| ; | |
| ; GFX12-GISEL-FAKE16-LABEL: test_minmax_commuted_f16: | |
| ; GFX12-GISEL-FAKE16: ; %bb.0: | |
| ; GFX12-GISEL-FAKE16-NEXT: v_maximumminimum_f16 v0, v0, v1, v2 | |
| ; GFX12-GISEL-FAKE16-NEXT: ; return to shader part epilog | |
| %max = call half @llvm.maximum.f16(half %a, half %b) | |
| %minmax = call half @llvm.minimum.f16(half %c, half %max) | |
| ret half %minmax | |
| } | |
| define amdgpu_ps half @test_maxmin_commuted_f16(half %a, half %b, half %c) { | |
| ; TRUE16-LABEL: test_maxmin_commuted_f16: | |
| ; TRUE16: ; %bb.0: | |
| ; TRUE16-NEXT: v_minimummaximum_f16 v0.l, v0.l, v1.l, v2.l | |
| ; TRUE16-NEXT: ; return to shader part epilog | |
| ; | |
| ; FAKE16-LABEL: test_maxmin_commuted_f16: | |
| ; FAKE16: ; %bb.0: | |
| ; FAKE16-NEXT: v_minimummaximum_f16 v0, v0, v1, v2 | |
| ; FAKE16-NEXT: ; return to shader part epilog | |
| ; | |
| ; GFX12-SDAG-TRUE16-LABEL: test_maxmin_commuted_f16: | |
| ; GFX12-SDAG-TRUE16: ; %bb.0: | |
| ; GFX12-SDAG-TRUE16-NEXT: v_minimummaximum_f16 v0.l, v0.l, v1.l, v2.l | |
| ; GFX12-SDAG-TRUE16-NEXT: ; return to shader part epilog | |
| ; | |
| ; GFX12-SDAG-FAKE16-LABEL: test_maxmin_commuted_f16: | |
| ; GFX12-SDAG-FAKE16: ; %bb.0: | |
| ; GFX12-SDAG-FAKE16-NEXT: v_minimummaximum_f16 v0, v0, v1, v2 | |
| ; GFX12-SDAG-FAKE16-NEXT: ; return to shader part epilog | |
| ; | |
| ; GFX12-GISEL-TRUE16-LABEL: test_maxmin_commuted_f16: | |
| ; GFX12-GISEL-TRUE16: ; %bb.0: | |
| ; GFX12-GISEL-TRUE16-NEXT: v_minimummaximum_f16 v0.l, v0.l, v1.l, v2.l | |
| ; GFX12-GISEL-TRUE16-NEXT: ; return to shader part epilog | |
| ; | |
| ; GFX12-GISEL-FAKE16-LABEL: test_maxmin_commuted_f16: | |
| ; GFX12-GISEL-FAKE16: ; %bb.0: | |
| ; GFX12-GISEL-FAKE16-NEXT: v_minimummaximum_f16 v0, v0, v1, v2 | |
| ; GFX12-GISEL-FAKE16-NEXT: ; return to shader part epilog | |
| %min = call half @llvm.minimum.f16(half %a, half %b) | |
| %maxmin = call half @llvm.maximum.f16(half %c, half %min) | |
| ret half %maxmin | |
| } | |
| define amdgpu_ps void @s_test_minmax_f16(half inreg %a, half inreg %b, half inreg %c, ptr addrspace(1) inreg %out) { | |
| ; GFX1170-SDAG-TRUE16-LABEL: s_test_minmax_f16: | |
| ; GFX1170-SDAG-TRUE16: ; %bb.0: | |
| ; GFX1170-SDAG-TRUE16-NEXT: v_maximum_f16 v0.l, s0, s1 | |
| ; GFX1170-SDAG-TRUE16-NEXT: v_mov_b32_e32 v1, 0 | |
| ; GFX1170-SDAG-TRUE16-NEXT: s_mov_b32 s5, s4 | |
| ; GFX1170-SDAG-TRUE16-NEXT: s_mov_b32 s4, s3 | |
| ; GFX1170-SDAG-TRUE16-NEXT: s_delay_alu instid0(VALU_DEP_2) | |
| ; GFX1170-SDAG-TRUE16-NEXT: v_minimum_f16 v0.l, v0.l, s2 | |
| ; GFX1170-SDAG-TRUE16-NEXT: global_store_b16 v1, v0, s[4:5] | |
| ; GFX1170-SDAG-TRUE16-NEXT: s_endpgm | |
| ; | |
| ; GFX1170-SDAG-FAKE16-LABEL: s_test_minmax_f16: | |
| ; GFX1170-SDAG-FAKE16: ; %bb.0: | |
| ; GFX1170-SDAG-FAKE16-NEXT: v_maximum_f16 v0, s0, s1 | |
| ; GFX1170-SDAG-FAKE16-NEXT: v_mov_b32_e32 v1, 0 | |
| ; GFX1170-SDAG-FAKE16-NEXT: s_mov_b32 s5, s4 | |
| ; GFX1170-SDAG-FAKE16-NEXT: s_mov_b32 s4, s3 | |
| ; GFX1170-SDAG-FAKE16-NEXT: s_delay_alu instid0(VALU_DEP_2) | |
| ; GFX1170-SDAG-FAKE16-NEXT: v_minimum_f16 v0, v0, s2 | |
| ; GFX1170-SDAG-FAKE16-NEXT: global_store_b16 v1, v0, s[4:5] | |
| ; GFX1170-SDAG-FAKE16-NEXT: s_endpgm | |
| ; | |
| ; GFX1170-GISEL-TRUE16-LABEL: s_test_minmax_f16: | |
| ; GFX1170-GISEL-TRUE16: ; %bb.0: | |
| ; GFX1170-GISEL-TRUE16-NEXT: v_mov_b16_e32 v0.l, s2 | |
| ; GFX1170-GISEL-TRUE16-NEXT: v_mov_b32_e32 v1, 0 | |
| ; GFX1170-GISEL-TRUE16-NEXT: s_mov_b32 s6, s3 | |
| ; GFX1170-GISEL-TRUE16-NEXT: s_mov_b32 s7, s4 | |
| ; GFX1170-GISEL-TRUE16-NEXT: s_delay_alu instid0(VALU_DEP_2) | |
| ; GFX1170-GISEL-TRUE16-NEXT: v_maximumminimum_f16 v0.l, s0, s1, v0.l | |
| ; GFX1170-GISEL-TRUE16-NEXT: global_store_b16 v1, v0, s[6:7] | |
| ; GFX1170-GISEL-TRUE16-NEXT: s_endpgm | |
| ; | |
| ; GFX1170-GISEL-FAKE16-LABEL: s_test_minmax_f16: | |
| ; GFX1170-GISEL-FAKE16: ; %bb.0: | |
| ; GFX1170-GISEL-FAKE16-NEXT: v_dual_mov_b32 v0, s2 :: v_dual_mov_b32 v1, 0 | |
| ; GFX1170-GISEL-FAKE16-NEXT: s_mov_b32 s6, s3 | |
| ; GFX1170-GISEL-FAKE16-NEXT: s_mov_b32 s7, s4 | |
| ; GFX1170-GISEL-FAKE16-NEXT: s_delay_alu instid0(VALU_DEP_1) | |
| ; GFX1170-GISEL-FAKE16-NEXT: v_maximumminimum_f16 v0, s0, s1, v0 | |
| ; GFX1170-GISEL-FAKE16-NEXT: global_store_b16 v1, v0, s[6:7] | |
| ; GFX1170-GISEL-FAKE16-NEXT: s_endpgm | |
| ; | |
| ; GFX12-SDAG-TRUE16-LABEL: s_test_minmax_f16: | |
| ; GFX12-SDAG-TRUE16: ; %bb.0: | |
| ; GFX12-SDAG-TRUE16-NEXT: s_maximum_f16 s0, s0, s1 | |
| ; GFX12-SDAG-TRUE16-NEXT: v_mov_b32_e32 v1, 0 | |
| ; GFX12-SDAG-TRUE16-NEXT: s_mov_b32 s5, s4 | |
| ; GFX12-SDAG-TRUE16-NEXT: s_mov_b32 s4, s3 | |
| ; GFX12-SDAG-TRUE16-NEXT: s_minimum_f16 s0, s0, s2 | |
| ; GFX12-SDAG-TRUE16-NEXT: s_delay_alu instid0(SALU_CYCLE_3) | |
| ; GFX12-SDAG-TRUE16-NEXT: v_mov_b16_e32 v0.l, s0 | |
| ; GFX12-SDAG-TRUE16-NEXT: global_store_b16 v1, v0, s[4:5] | |
| ; GFX12-SDAG-TRUE16-NEXT: s_endpgm | |
| ; | |
| ; GFX12-SDAG-FAKE16-LABEL: s_test_minmax_f16: | |
| ; GFX12-SDAG-FAKE16: ; %bb.0: | |
| ; GFX12-SDAG-FAKE16-NEXT: s_maximum_f16 s0, s0, s1 | |
| ; GFX12-SDAG-FAKE16-NEXT: s_mov_b32 s5, s4 | |
| ; GFX12-SDAG-FAKE16-NEXT: s_mov_b32 s4, s3 | |
| ; GFX12-SDAG-FAKE16-NEXT: s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_3) | |
| ; GFX12-SDAG-FAKE16-NEXT: s_minimum_f16 s0, s0, s2 | |
| ; GFX12-SDAG-FAKE16-NEXT: v_dual_mov_b32 v0, 0 :: v_dual_mov_b32 v1, s0 | |
| ; GFX12-SDAG-FAKE16-NEXT: global_store_b16 v0, v1, s[4:5] | |
| ; GFX12-SDAG-FAKE16-NEXT: s_endpgm | |
| ; | |
| ; GFX12-GISEL-TRUE16-LABEL: s_test_minmax_f16: | |
| ; GFX12-GISEL-TRUE16: ; %bb.0: | |
| ; GFX12-GISEL-TRUE16-NEXT: s_maximum_f16 s0, s0, s1 | |
| ; GFX12-GISEL-TRUE16-NEXT: v_mov_b32_e32 v1, 0 | |
| ; GFX12-GISEL-TRUE16-NEXT: s_mov_b32 s6, s3 | |
| ; GFX12-GISEL-TRUE16-NEXT: s_mov_b32 s7, s4 | |
| ; GFX12-GISEL-TRUE16-NEXT: s_minimum_f16 s0, s0, s2 | |
| ; GFX12-GISEL-TRUE16-NEXT: s_delay_alu instid0(SALU_CYCLE_3) | |
| ; GFX12-GISEL-TRUE16-NEXT: v_mov_b16_e32 v0.l, s0 | |
| ; GFX12-GISEL-TRUE16-NEXT: global_store_b16 v1, v0, s[6:7] | |
| ; GFX12-GISEL-TRUE16-NEXT: s_endpgm | |
| ; | |
| ; GFX12-GISEL-FAKE16-LABEL: s_test_minmax_f16: | |
| ; GFX12-GISEL-FAKE16: ; %bb.0: | |
| ; GFX12-GISEL-FAKE16-NEXT: s_maximum_f16 s0, s0, s1 | |
| ; GFX12-GISEL-FAKE16-NEXT: s_mov_b32 s6, s3 | |
| ; GFX12-GISEL-FAKE16-NEXT: s_mov_b32 s7, s4 | |
| ; GFX12-GISEL-FAKE16-NEXT: v_mov_b32_e32 v1, 0 | |
| ; GFX12-GISEL-FAKE16-NEXT: s_minimum_f16 s0, s0, s2 | |
| ; GFX12-GISEL-FAKE16-NEXT: s_delay_alu instid0(SALU_CYCLE_3) | |
| ; GFX12-GISEL-FAKE16-NEXT: v_mov_b32_e32 v0, s0 | |
| ; GFX12-GISEL-FAKE16-NEXT: global_store_b16 v1, v0, s[6:7] | |
| ; GFX12-GISEL-FAKE16-NEXT: s_endpgm | |
| %smax = call half @llvm.maximum.f16(half %a, half %b) | |
| %sminmax = call half @llvm.minimum.f16(half %smax, half %c) | |
| store half %sminmax, ptr addrspace(1) %out | |
| ret void | |
| } | |
| declare half @llvm.minimum.f16(half, half) | |
| declare half @llvm.maximum.f16(half, half) | |
| declare float @llvm.minimum.f32(float, float) | |
| declare float @llvm.maximum.f32(float, float) |