[llvm] [SDAG] Add missing ppc_fp128 ExpandFloatRes for sincos[pi] (PR #128514)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,51 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
+; RUN: llc -mcpu=pwr9 -mtriple=powerpc64le-gnu-linux \
+; RUN:   -ppc-vsr-nums-as-vr -ppc-asm-full-reg-names < %s | FileCheck %s
+
+define { ppc_fp128, ppc_fp128 } @test_sincos_ppcf128(ppc_fp128 %a) {
+; CHECK-LABEL: test_sincos_ppcf128:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    mflr r0
+; CHECK-NEXT:    stdu r1, -64(r1)
+; CHECK-NEXT:    std r0, 80(r1)
+; CHECK-NEXT:    .cfi_def_cfa_offset 64
+; CHECK-NEXT:    .cfi_offset lr, 16
+; CHECK-NEXT:    addi r5, r1, 48
+; CHECK-NEXT:    addi r6, r1, 32
+; CHECK-NEXT:    bl sincosl
+; CHECK-NEXT:    nop
+; CHECK-NEXT:    lfd f1, 48(r1)
+; CHECK-NEXT:    lfd f2, 56(r1)
+; CHECK-NEXT:    lfd f3, 32(r1)
+; CHECK-NEXT:    lfd f4, 40(r1)
+; CHECK-NEXT:    addi r1, r1, 64
+; CHECK-NEXT:    ld r0, 16(r1)
+; CHECK-NEXT:    mtlr r0
+; CHECK-NEXT:    blr
+  %result = call { ppc_fp128, ppc_fp128 } @llvm.sincos.ppcf128(ppc_fp128 %a)
+  ret { ppc_fp128, ppc_fp128 } %result
+}
+
+define { ppc_fp128, ppc_fp128 } @test_sincospi_ppcf128(ppc_fp128 %a) {
+; CHECK-LABEL: test_sincospi_ppcf128:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    mflr r0
+; CHECK-NEXT:    stdu r1, -64(r1)
+; CHECK-NEXT:    std r0, 80(r1)
+; CHECK-NEXT:    .cfi_def_cfa_offset 64
+; CHECK-NEXT:    .cfi_offset lr, 16
+; CHECK-NEXT:    addi r5, r1, 48
+; CHECK-NEXT:    addi r6, r1, 32
+; CHECK-NEXT:    bl sincospil
+; CHECK-NEXT:    nop
+; CHECK-NEXT:    lfd f1, 48(r1)
+; CHECK-NEXT:    lfd f2, 56(r1)
+; CHECK-NEXT:    lfd f3, 32(r1)
+; CHECK-NEXT:    lfd f4, 40(r1)
+; CHECK-NEXT:    addi r1, r1, 64
+; CHECK-NEXT:    ld r0, 16(r1)
+; CHECK-NEXT:    mtlr r0
+; CHECK-NEXT:    blr
+  %result = call { ppc_fp128, ppc_fp128 } @llvm.sincospi.ppcf128(ppc_fp128 %a)
+  ret { ppc_fp128, ppc_fp128 } %result
+}
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arsenm wrote:

maybe test tail call case too 

https://github.com/llvm/llvm-project/pull/128514