[RISCV] add tests for minnum/maxnum; NFC

Issue #54554

diff --git a/llvm/test/CodeGen/RISCV/fmax-fmin.ll b/llvm/test/CodeGen/RISCV/fmax-fmin.ll
new file mode 100644 (file)
index 0000000..4be3e9e
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/fmax-fmin.ll
@@ -0,0 +1,185 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=R32
+; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=R64
+
+define float @maxnum_f32(float %x, float %y) nounwind {
+; R32-LABEL: maxnum_f32:
+; R32:       # %bb.0:
+; R32-NEXT:    addi sp, sp, -16
+; R32-NEXT:    sw ra, 12(sp) # 4-byte Folded Spill
+; R32-NEXT:    call fmaxf@plt
+; R32-NEXT:    lw ra, 12(sp) # 4-byte Folded Reload
+; R32-NEXT:    addi sp, sp, 16
+; R32-NEXT:    ret
+;
+; R64-LABEL: maxnum_f32:
+; R64:       # %bb.0:
+; R64-NEXT:    addi sp, sp, -16
+; R64-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
+; R64-NEXT:    call fmaxf@plt
+; R64-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
+; R64-NEXT:    addi sp, sp, 16
+; R64-NEXT:    ret
+  %r = call float @llvm.maxnum.f32(float %x, float %y)
+  ret float %r
+}
+
+define float @maxnum_f32_fast(float %x, float %y) nounwind {
+; R32-LABEL: maxnum_f32_fast:
+; R32:       # %bb.0:
+; R32-NEXT:    addi sp, sp, -16
+; R32-NEXT:    sw ra, 12(sp) # 4-byte Folded Spill
+; R32-NEXT:    call fmaxf@plt
+; R32-NEXT:    lw ra, 12(sp) # 4-byte Folded Reload
+; R32-NEXT:    addi sp, sp, 16
+; R32-NEXT:    ret
+;
+; R64-LABEL: maxnum_f32_fast:
+; R64:       # %bb.0:
+; R64-NEXT:    addi sp, sp, -16
+; R64-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
+; R64-NEXT:    call fmaxf@plt
+; R64-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
+; R64-NEXT:    addi sp, sp, 16
+; R64-NEXT:    ret
+  %r = call fast float @llvm.maxnum.f32(float %x, float %y)
+  ret float %r
+}
+
+define double @maxnum_f64(double %x, double %y) nounwind {
+; R32-LABEL: maxnum_f64:
+; R32:       # %bb.0:
+; R32-NEXT:    addi sp, sp, -16
+; R32-NEXT:    sw ra, 12(sp) # 4-byte Folded Spill
+; R32-NEXT:    call fmax@plt
+; R32-NEXT:    lw ra, 12(sp) # 4-byte Folded Reload
+; R32-NEXT:    addi sp, sp, 16
+; R32-NEXT:    ret
+;
+; R64-LABEL: maxnum_f64:
+; R64:       # %bb.0:
+; R64-NEXT:    addi sp, sp, -16
+; R64-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
+; R64-NEXT:    call fmax@plt
+; R64-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
+; R64-NEXT:    addi sp, sp, 16
+; R64-NEXT:    ret
+  %r = call double @llvm.maxnum.f64(double %x, double %y)
+  ret double %r
+}
+
+define double @maxnum_f64_nnan(double %x, double %y) nounwind {
+; R32-LABEL: maxnum_f64_nnan:
+; R32:       # %bb.0:
+; R32-NEXT:    addi sp, sp, -16
+; R32-NEXT:    sw ra, 12(sp) # 4-byte Folded Spill
+; R32-NEXT:    call fmax@plt
+; R32-NEXT:    lw ra, 12(sp) # 4-byte Folded Reload
+; R32-NEXT:    addi sp, sp, 16
+; R32-NEXT:    ret
+;
+; R64-LABEL: maxnum_f64_nnan:
+; R64:       # %bb.0:
+; R64-NEXT:    addi sp, sp, -16
+; R64-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
+; R64-NEXT:    call fmax@plt
+; R64-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
+; R64-NEXT:    addi sp, sp, 16
+; R64-NEXT:    ret
+  %r = call nnan double @llvm.maxnum.f64(double %x, double %y)
+  ret double %r
+}
+
+define float @minnum_f32(float %x, float %y) nounwind {
+; R32-LABEL: minnum_f32:
+; R32:       # %bb.0:
+; R32-NEXT:    addi sp, sp, -16
+; R32-NEXT:    sw ra, 12(sp) # 4-byte Folded Spill
+; R32-NEXT:    call fminf@plt
+; R32-NEXT:    lw ra, 12(sp) # 4-byte Folded Reload
+; R32-NEXT:    addi sp, sp, 16
+; R32-NEXT:    ret
+;
+; R64-LABEL: minnum_f32:
+; R64:       # %bb.0:
+; R64-NEXT:    addi sp, sp, -16
+; R64-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
+; R64-NEXT:    call fminf@plt
+; R64-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
+; R64-NEXT:    addi sp, sp, 16
+; R64-NEXT:    ret
+  %r = call float @llvm.minnum.f32(float %x, float %y)
+  ret float %r
+}
+
+define float @minnum_f32_nnan(float %x, float %y) nounwind {
+; R32-LABEL: minnum_f32_nnan:
+; R32:       # %bb.0:
+; R32-NEXT:    addi sp, sp, -16
+; R32-NEXT:    sw ra, 12(sp) # 4-byte Folded Spill
+; R32-NEXT:    call fminf@plt
+; R32-NEXT:    lw ra, 12(sp) # 4-byte Folded Reload
+; R32-NEXT:    addi sp, sp, 16
+; R32-NEXT:    ret
+;
+; R64-LABEL: minnum_f32_nnan:
+; R64:       # %bb.0:
+; R64-NEXT:    addi sp, sp, -16
+; R64-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
+; R64-NEXT:    call fminf@plt
+; R64-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
+; R64-NEXT:    addi sp, sp, 16
+; R64-NEXT:    ret
+  %r = call nnan float @llvm.minnum.f32(float %x, float %y)
+  ret float %r
+}
+
+define double @minnum_f64(double %x, double %y) nounwind {
+; R32-LABEL: minnum_f64:
+; R32:       # %bb.0:
+; R32-NEXT:    addi sp, sp, -16
+; R32-NEXT:    sw ra, 12(sp) # 4-byte Folded Spill
+; R32-NEXT:    call fmin@plt
+; R32-NEXT:    lw ra, 12(sp) # 4-byte Folded Reload
+; R32-NEXT:    addi sp, sp, 16
+; R32-NEXT:    ret
+;
+; R64-LABEL: minnum_f64:
+; R64:       # %bb.0:
+; R64-NEXT:    addi sp, sp, -16
+; R64-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
+; R64-NEXT:    call fmin@plt
+; R64-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
+; R64-NEXT:    addi sp, sp, 16
+; R64-NEXT:    ret
+  %r = call double @llvm.minnum.f64(double %x, double %y)
+  ret double %r
+}
+
+define double @minnum_f64_fast(double %x, double %y) nounwind {
+; R32-LABEL: minnum_f64_fast:
+; R32:       # %bb.0:
+; R32-NEXT:    addi sp, sp, -16
+; R32-NEXT:    sw ra, 12(sp) # 4-byte Folded Spill
+; R32-NEXT:    call fmin@plt
+; R32-NEXT:    lw ra, 12(sp) # 4-byte Folded Reload
+; R32-NEXT:    addi sp, sp, 16
+; R32-NEXT:    ret
+;
+; R64-LABEL: minnum_f64_fast:
+; R64:       # %bb.0:
+; R64-NEXT:    addi sp, sp, -16
+; R64-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
+; R64-NEXT:    call fmin@plt
+; R64-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
+; R64-NEXT:    addi sp, sp, 16
+; R64-NEXT:    ret
+  %r = call fast double @llvm.minnum.f64(double %x, double %y)
+  ret double %r
+}
+
+declare float @llvm.maxnum.f32(float, float)
+declare double @llvm.maxnum.f64(double, double)
+declare float @llvm.minnum.f32(float, float)
+declare double @llvm.minnum.f64(double, double)
+