forked from OSchip/llvm-project
[PowerPC] Add non-constant fcopysign f128 test coverage
As discussed on D114589 as the constant case gets affected by SimplifyDemandedBits a lot - the non-constant case currently falls back to copysignl libcalls
This commit is contained in:
Simon Pilgrim
parent
0b34ffe4a6
commit
e85667a2fb
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@ -1,8 +1,8 @@
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s -check-prefix=PPC64-P8
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; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr7 < %s | FileCheck %s -check-prefix=PPC64
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; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s -check-prefix=PPC64-P8
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; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 < %s | FileCheck %s -check-prefix=PPC64
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; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s -check-prefixes=PPC64-P8,PPC64-P8-LE
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; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr7 < %s | FileCheck %s -check-prefixes=PPC64,PPC64-LE
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; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s -check-prefixes=PPC64-P8,PPC64-P8-BE
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; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 < %s | FileCheck %s -check-prefixes=PPC64,PPC64-BE
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; RUN: llc -verify-machineinstrs -mtriple=powerpc-unknown-linux-gnu < %s | FileCheck %s -check-prefix=PPC32
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define i128 @test_abs(ppc_fp128 %x) nounwind {
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@ -88,8 +88,115 @@ entry:
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ret i128 %1
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}
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define i128 @test_copysign(ppc_fp128 %x) nounwind {
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; PPC64-P8-LABEL: test_copysign:
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define i128 @test_copysign(ppc_fp128 %x, ppc_fp128 %y) nounwind {
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; PPC64-P8-LE-LABEL: test_copysign:
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; PPC64-P8-LE: # %bb.0: # %entry
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; PPC64-P8-LE-NEXT: mflr 0
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; PPC64-P8-LE-NEXT: std 0, 16(1)
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; PPC64-P8-LE-NEXT: stdu 1, -32(1)
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; PPC64-P8-LE-NEXT: bl copysignl
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; PPC64-P8-LE-NEXT: nop
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; PPC64-P8-LE-NEXT: mffprd 3, 1
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; PPC64-P8-LE-NEXT: mffprd 4, 2
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; PPC64-P8-LE-NEXT: addi 1, 1, 32
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; PPC64-P8-LE-NEXT: ld 0, 16(1)
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; PPC64-P8-LE-NEXT: mtlr 0
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; PPC64-P8-LE-NEXT: blr
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;
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; PPC64-LE-LABEL: test_copysign:
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; PPC64-LE: # %bb.0: # %entry
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; PPC64-LE-NEXT: mflr 0
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; PPC64-LE-NEXT: std 0, 16(1)
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; PPC64-LE-NEXT: stdu 1, -48(1)
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; PPC64-LE-NEXT: bl copysignl
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; PPC64-LE-NEXT: nop
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; PPC64-LE-NEXT: stfd 1, 32(1)
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; PPC64-LE-NEXT: stfd 2, 40(1)
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; PPC64-LE-NEXT: ld 3, 32(1)
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; PPC64-LE-NEXT: ld 4, 40(1)
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; PPC64-LE-NEXT: addi 1, 1, 48
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; PPC64-LE-NEXT: ld 0, 16(1)
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; PPC64-LE-NEXT: mtlr 0
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; PPC64-LE-NEXT: blr
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;
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; PPC64-P8-BE-LABEL: test_copysign:
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; PPC64-P8-BE: # %bb.0: # %entry
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; PPC64-P8-BE-NEXT: mflr 0
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; PPC64-P8-BE-NEXT: std 0, 16(1)
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; PPC64-P8-BE-NEXT: stdu 1, -112(1)
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; PPC64-P8-BE-NEXT: bl copysignl
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; PPC64-P8-BE-NEXT: nop
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; PPC64-P8-BE-NEXT: mffprd 3, 1
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; PPC64-P8-BE-NEXT: mffprd 4, 2
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; PPC64-P8-BE-NEXT: addi 1, 1, 112
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; PPC64-P8-BE-NEXT: ld 0, 16(1)
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; PPC64-P8-BE-NEXT: mtlr 0
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; PPC64-P8-BE-NEXT: blr
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;
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; PPC64-BE-LABEL: test_copysign:
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; PPC64-BE: # %bb.0: # %entry
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; PPC64-BE-NEXT: mflr 0
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; PPC64-BE-NEXT: std 0, 16(1)
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; PPC64-BE-NEXT: stdu 1, -128(1)
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; PPC64-BE-NEXT: bl copysignl
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; PPC64-BE-NEXT: nop
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; PPC64-BE-NEXT: stfd 1, 112(1)
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; PPC64-BE-NEXT: stfd 2, 120(1)
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; PPC64-BE-NEXT: ld 3, 112(1)
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; PPC64-BE-NEXT: ld 4, 120(1)
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; PPC64-BE-NEXT: addi 1, 1, 128
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; PPC64-BE-NEXT: ld 0, 16(1)
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; PPC64-BE-NEXT: mtlr 0
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; PPC64-BE-NEXT: blr
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;
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; PPC32-LABEL: test_copysign:
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; PPC32: # %bb.0: # %entry
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; PPC32-NEXT: mflr 0
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; PPC32-NEXT: stw 0, 4(1)
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; PPC32-NEXT: stwu 1, -96(1)
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; PPC32-NEXT: stfd 1, 40(1)
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; PPC32-NEXT: lwz 3, 44(1)
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; PPC32-NEXT: stfd 2, 32(1)
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; PPC32-NEXT: stw 3, 60(1)
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; PPC32-NEXT: lwz 3, 40(1)
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; PPC32-NEXT: stfd 3, 72(1)
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; PPC32-NEXT: stw 3, 56(1)
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; PPC32-NEXT: lwz 3, 36(1)
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; PPC32-NEXT: stfd 4, 64(1)
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; PPC32-NEXT: stw 3, 52(1)
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; PPC32-NEXT: lwz 3, 32(1)
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; PPC32-NEXT: lfd 1, 56(1)
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; PPC32-NEXT: stw 3, 48(1)
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; PPC32-NEXT: lwz 3, 76(1)
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; PPC32-NEXT: lfd 2, 48(1)
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; PPC32-NEXT: stw 3, 92(1)
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; PPC32-NEXT: lwz 3, 72(1)
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; PPC32-NEXT: stw 3, 88(1)
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; PPC32-NEXT: lwz 3, 68(1)
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; PPC32-NEXT: lfd 3, 88(1)
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; PPC32-NEXT: stw 3, 84(1)
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; PPC32-NEXT: lwz 3, 64(1)
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; PPC32-NEXT: stw 3, 80(1)
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; PPC32-NEXT: lfd 4, 80(1)
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; PPC32-NEXT: bl copysignl
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; PPC32-NEXT: stfd 1, 16(1)
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; PPC32-NEXT: stfd 2, 24(1)
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; PPC32-NEXT: lwz 3, 16(1)
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; PPC32-NEXT: lwz 4, 20(1)
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; PPC32-NEXT: lwz 5, 24(1)
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; PPC32-NEXT: lwz 6, 28(1)
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; PPC32-NEXT: lwz 0, 100(1)
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; PPC32-NEXT: addi 1, 1, 96
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; PPC32-NEXT: mtlr 0
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; PPC32-NEXT: blr
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entry:
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%0 = tail call ppc_fp128 @llvm.copysign.ppcf128(ppc_fp128 %x, ppc_fp128 %y)
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%1 = bitcast ppc_fp128 %0 to i128
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ret i128 %1
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}
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define i128 @test_copysign_const(ppc_fp128 %x) nounwind {
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; PPC64-P8-LABEL: test_copysign_const:
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; PPC64-P8: # %bb.0: # %entry
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; PPC64-P8-NEXT: mffprd 3, 1
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; PPC64-P8-NEXT: li 4, 16399
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@ -101,7 +208,7 @@ define i128 @test_copysign(ppc_fp128 %x) nounwind {
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; PPC64-P8-NEXT: xor 4, 6, 4
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; PPC64-P8-NEXT: blr
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;
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; PPC64-LABEL: test_copysign:
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; PPC64-LABEL: test_copysign_const:
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; PPC64: # %bb.0: # %entry
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; PPC64-NEXT: stfd 1, -8(1)
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; PPC64-NEXT: li 4, 16399
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@ -114,7 +221,7 @@ define i128 @test_copysign(ppc_fp128 %x) nounwind {
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; PPC64-NEXT: xor 4, 6, 4
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; PPC64-NEXT: blr
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;
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; PPC32-LABEL: test_copysign:
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; PPC32-LABEL: test_copysign_const:
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; PPC32: # %bb.0: # %entry
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; PPC32-NEXT: stwu 1, -32(1)
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; PPC32-NEXT: stfd 1, 24(1)
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