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llvm-mirror/test/CodeGen/PowerPC/fp128-bitcast-after-operation.ll
Ehsan Amiri db43217a24 Adding -verify-machineinstrs option to PowerPC tests 
Currently we have a number of tests that fail with -verify-machineinstrs.
To detect this cases earlier we add the option to the testcases with the
exception of tests that will currently fail with this option. PR 27456 keeps
track of this failures.

No code review, as discussed with Hal Finkel.

llvm-svn: 277624
2016-08-03 18:17:35 +00:00

138 lines
5.2 KiB
LLVM
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; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s -check-prefix=PPC64-P8
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr7 < %s | FileCheck %s -check-prefix=PPC64
; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s -check-prefix=PPC64-P8
; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 < %s | FileCheck %s -check-prefix=PPC64
; RUN: llc -verify-machineinstrs -mtriple=powerpc-unknown-linux-gnu < %s | FileCheck %s -check-prefix=PPC32
define i128 @test_abs(ppc_fp128 %x) nounwind {
entry:
; PPC64-LABEL: test_abs:
; PPC64-DAG: stxsdx 2, 0, [[ADDR_HI:[0-9]+]]
; PPC64-DAG: stxsdx 1, 0, [[ADDR_LO:[0-9]+]]
; PPC64-DAG: addi [[ADDR_HI]], [[SP:[0-9]+]], [[OFFSET_HI:-?[0-9]+]]
; PPC64-DAG: addi [[ADDR_LO]], [[SP]], [[OFFSET_LO:-?[0-9]+]]
; PPC64-DAG: li [[MASK_REG:[0-9]+]], 1
; PPC64: sldi [[MASK_REG]], [[MASK_REG]], 63
; PPC64-DAG: ld [[HI:[0-9]+]], [[OFFSET_LO]]([[SP]])
; PPC64-DAG: ld [[LO:[0-9]+]], [[OFFSET_HI]]([[SP]])
; PPC64: and [[FLIP_BIT:[0-9]+]], [[HI]], [[MASK_REG]]
; PPC64-DAG: xor 3, [[HI]], [[FLIP_BIT]]
; PPC64-DAG: xor 4, [[LO]], [[FLIP_BIT]]
; PPC64: blr
; PPC64-P8-LABEL: test_abs:
; PPC64-P8-DAG: mfvsrd [[LO:[0-9]+]], 2
; PPC64-P8-DAG: mfvsrd [[HI:[0-9]+]], 1
; PPC64-P8-DAG: li [[MASK_REG:[0-9]+]], 1
; PPC64-P8-DAG: sldi [[SHIFT_REG:[0-9]+]], [[MASK_REG]], 63
; PPC64-P8: and [[FLIP_BIT:[0-9]+]], [[HI]], [[SHIFT_REG]]
; PPC64-P8-DAG: xor 3, [[HI]], [[FLIP_BIT]]
; PPC64-P8-DAG: xor 4, [[LO]], [[FLIP_BIT]]
; PPC64-P8: blr
; PPC32-DAG: stfd 1, 24(1)
; PPC32-DAG: stfd 2, 16(1)
; PPC32: nop
; PPC32-DAG: lwz [[HI0:[0-9]+]], 24(1)
; PPC32-DAG: lwz [[LO0:[0-9]+]], 16(1)
; PPC32-DAG: lwz [[HI1:[0-9]+]], 28(1)
; PPC32-DAG: lwz [[LO1:[0-9]+]], 20(1)
; PPC32: rlwinm [[FLIP_BIT:[0-9]+]], [[HI0]], 0, 0, 0
; PPC32-DAG: xor [[HI0]], [[HI0]], [[FLIP_BIT]]
; PPC32-DAG: xor [[LO0]], [[LO0]], [[FLIP_BIT]]
; PPC32: blr
%0 = tail call ppc_fp128 @llvm.fabs.ppcf128(ppc_fp128 %x)
%1 = bitcast ppc_fp128 %0 to i128
ret i128 %1
}
define i128 @test_neg(ppc_fp128 %x) nounwind {
entry:
; PPC64-LABEL: test_neg:
; PPC64-DAG: stxsdx 2, 0, [[ADDR_HI:[0-9]+]]
; PPC64-DAG: stxsdx 1, 0, [[ADDR_LO:[0-9]+]]
; PPC64-DAG: addi [[ADDR_HI]], [[SP:[0-9]+]], [[OFFSET_HI:-?[0-9]+]]
; PPC64-DAG: addi [[ADDR_LO]], [[SP]], [[OFFSET_LO:-?[0-9]+]]
; PPC64-DAG: li [[FLIP_BIT:[0-9]+]], 1
; PPC64-DAG: sldi [[FLIP_BIT]], [[FLIP_BIT]], 63
; PPC64-DAG: ld [[HI:[0-9]+]], [[OFFSET_LO]]([[SP]])
; PPC64-DAG: ld [[LO:[0-9]+]], [[OFFSET_HI]]([[SP]])
; PPC64-NOT: BARRIER
; PPC64-DAG: xor 3, [[HI]], [[FLIP_BIT]]
; PPC64-DAG: xor 4, [[LO]], [[FLIP_BIT]]
; PPC64: blr
; PPC64-P8-LABEL: test_neg:
; PPC64-P8-DAG: mfvsrd [[LO:[0-9]+]], 2
; PPC64-P8-DAG: mfvsrd [[HI:[0-9]+]], 1
; PPC64-P8-DAG: li [[IMM1:[0-9]+]], 1
; PPC64-P8-DAG: sldi [[FLIP_BIT]], [[IMM1]], 63
; PPC64-P8-NOT: BARRIER
; PPC64-P8-DAG: xor 3, [[HI]], [[FLIP_BIT]]
; PPC64-P8-DAG: xor 4, [[LO]], [[FLIP_BIT]]
; PPC64-P8: blr
; PPC32-DAG: stfd 1, 24(1)
; PPC32-DAG: stfd 2, 16(1)
; PPC32: nop
; PPC32-DAG: lwz [[HI0:[0-9]+]], 24(1)
; PPC32-DAG: lwz [[LO0:[0-9]+]], 16(1)
; PPC32-DAG: lwz [[HI1:[0-9]+]], 28(1)
; PPC32-DAG: lwz [[LO1:[0-9]+]], 20(1)
; PPC32-NOT: BARRIER
; PPC32-DAG: xoris [[HI0]], [[HI0]], 32768
; PPC32-DAG: xoris [[LO0]], [[LO0]], 32768
; PPC32: blr
%0 = fsub ppc_fp128 0xM80000000000000000000000000000000, %x
%1 = bitcast ppc_fp128 %0 to i128
ret i128 %1
}
define i128 @test_copysign(ppc_fp128 %x) nounwind {
entry:
; PPC64-LABEL: test_copysign:
; PPC64-DAG: stxsdx 1, 0, [[ADDR_REG:[0-9]+]]
; PPC64-DAG: addi [[ADDR_REG]], 1, [[OFFSET:-?[0-9]+]]
; PPC64-DAG: li [[SIGN:[0-9]+]], 1
; PPC64-DAG: sldi [[SIGN]], [[SIGN]], 63
; PPC64-DAG: li [[HI_TMP:[0-9]+]], 16399
; PPC64-DAG: sldi [[CST_HI:[0-9]+]], [[HI_TMP]], 48
; PPC64-DAG: li [[LO_TMP:[0-9]+]], 3019
; PPC64-DAG: sldi [[CST_LO:[0-9]+]], [[LO_TMP]], 52
; PPC64-NOT: BARRIER
; PPC64-DAG: ld [[X_HI:[0-9]+]], [[OFFSET]](1)
; PPC64-DAG: and [[NEW_HI_TMP:[0-9]+]], [[X_HI]], [[SIGN]]
; PPC64-DAG: or 3, [[NEW_HI_TMP]], [[CST_HI]]
; PPC64-DAG: xor 4, [[SIGN]], [[CST_LO]]
; PPC64: blr
; PPC64-P8-LABEL: test_copysign:
; PPC64-P8-DAG: mfvsrd [[X_HI:[0-9]+]], 1
; PPC64-P8-DAG: li [[SIGN:[0-9]+]], 1
; PPC64-P8-DAG: sldi [[SIGN]], [[SIGN]], 63
; PPC64-P8-DAG: li [[HI_TMP:[0-9]+]], 16399
; PPC64-P8-DAG: sldi [[CST_HI:[0-9]+]], [[HI_TMP]], 48
; PPC64-P8-DAG: li [[LO_TMP:[0-9]+]], 3019
; PPC64-P8-DAG: sldi [[CST_LO:[0-9]+]], [[LO_TMP]], 52
; PPC64-P8-NOT: BARRIER
; PPC64-P8-DAG: and [[NEW_HI_TMP:[0-9]+]], [[X_HI]], [[SIGN]]
; PPC64-P8-DAG: or 3, [[NEW_HI_TMP]], [[CST_HI]]
; PPC64-P8-DAG: xor 4, [[NEW_HI_TMP]], [[CST_LO]]
; PPC64-P8: blr
; PPC32: stfd 1, [[STACK:[0-9]+]](1)
; PPC32: nop
; PPC32: lwz [[HI:[0-9]+]], [[STACK]](1)
; PPC32: rlwinm [[FLIP_BIT:[0-9]+]], [[HI]], 0, 0, 0
; PPC32-NOT: BARRIER
; PPC32-DAG: oris {{[0-9]+}}, [[FLIP_BIT]], 16399
; PPC32-DAG: xoris {{[0-9]+}}, [[FLIP_BIT]], 48304
; PPC32: blr
%0 = tail call ppc_fp128 @llvm.copysign.ppcf128(ppc_fp128 0xMBCB0000000000000400F000000000000, ppc_fp128 %x)
%1 = bitcast ppc_fp128 %0 to i128
ret i128 %1
}
declare ppc_fp128 @llvm.fabs.ppcf128(ppc_fp128)
declare ppc_fp128 @llvm.copysign.ppcf128(ppc_fp128, ppc_fp128)
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