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llvm-mirror/test/CodeGen/PowerPC/fp-int-conversions-direct-moves.ll
Nemanja Ivanovic 285f278c18 Scalar to vector conversions using direct moves 
This patch corresponds to review:
http://reviews.llvm.org/D11471

It improves the code generated for converting a scalar to a vector value. With
direct moves from GPRs to VSRs, we no longer require expensive stack operations
for this. Subsequent patches will handle the reverse case and more general
operations between vectors and their scalar elements.

llvm-svn: 244921
2015-08-13 17:40:44 +00:00

419 lines
11 KiB
LLVM
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; RUN: llc -mcpu=pwr8 -mtriple=powerpc64-unknown-unknown < %s | FileCheck %s
; RUN: llc -mcpu=pwr8 -mtriple=powerpc64le-unknown-unknown < %s | FileCheck %s
; Function Attrs: nounwind
define zeroext i8 @_Z6testcff(float %arg) {
entry:
%arg.addr = alloca float, align 4
store float %arg, float* %arg.addr, align 4
%0 = load float, float* %arg.addr, align 4
%conv = fptoui float %0 to i8
ret i8 %conv
; CHECK-LABEL: @_Z6testcff
; CHECK: xscvdpsxws [[CONVREG01:[0-9]+]], 1
; CHECK: mfvsrwz 3, [[CONVREG01]]
}
; Function Attrs: nounwind
define float @_Z6testfcc(i8 zeroext %arg) {
entry:
%arg.addr = alloca i8, align 1
store i8 %arg, i8* %arg.addr, align 1
%0 = load i8, i8* %arg.addr, align 1
%conv = uitofp i8 %0 to float
ret float %conv
; CHECK-LABEL: @_Z6testfcc
; CHECK: mtvsrwz [[MOVEREG01:[0-9]+]], 3
; CHECK: xscvuxdsp 1, [[MOVEREG01]]
}
; Function Attrs: nounwind
define zeroext i8 @_Z6testcdd(double %arg) {
entry:
%arg.addr = alloca double, align 8
store double %arg, double* %arg.addr, align 8
%0 = load double, double* %arg.addr, align 8
%conv = fptoui double %0 to i8
ret i8 %conv
; CHECK-LABEL: @_Z6testcdd
; CHECK: xscvdpsxws [[CONVREG02:[0-9]+]], 1
; CHECK: mfvsrwz 3, [[CONVREG02]]
}
; Function Attrs: nounwind
define double @_Z6testdcc(i8 zeroext %arg) {
entry:
%arg.addr = alloca i8, align 1
store i8 %arg, i8* %arg.addr, align 1
%0 = load i8, i8* %arg.addr, align 1
%conv = uitofp i8 %0 to double
ret double %conv
; CHECK-LABEL: @_Z6testdcc
; CHECK: mtvsrwz [[MOVEREG02:[0-9]+]], 3
; CHECK: xscvuxddp 1, [[MOVEREG02]]
}
; Function Attrs: nounwind
define zeroext i8 @_Z7testucff(float %arg) {
entry:
%arg.addr = alloca float, align 4
store float %arg, float* %arg.addr, align 4
%0 = load float, float* %arg.addr, align 4
%conv = fptoui float %0 to i8
ret i8 %conv
; CHECK-LABEL: @_Z7testucff
; CHECK: xscvdpsxws [[CONVREG03:[0-9]+]], 1
; CHECK: mfvsrwz 3, [[CONVREG03]]
}
; Function Attrs: nounwind
define float @_Z7testfuch(i8 zeroext %arg) {
entry:
%arg.addr = alloca i8, align 1
store i8 %arg, i8* %arg.addr, align 1
%0 = load i8, i8* %arg.addr, align 1
%conv = uitofp i8 %0 to float
ret float %conv
; CHECK-LABEL: @_Z7testfuch
; CHECK: mtvsrwz [[MOVEREG03:[0-9]+]], 3
; CHECK: xscvuxdsp 1, [[MOVEREG03]]
}
; Function Attrs: nounwind
define zeroext i8 @_Z7testucdd(double %arg) {
entry:
%arg.addr = alloca double, align 8
store double %arg, double* %arg.addr, align 8
%0 = load double, double* %arg.addr, align 8
%conv = fptoui double %0 to i8
ret i8 %conv
; CHECK-LABEL: @_Z7testucdd
; CHECK: xscvdpsxws [[CONVREG04:[0-9]+]], 1
; CHECK: mfvsrwz 3, [[CONVREG04]]
}
; Function Attrs: nounwind
define double @_Z7testduch(i8 zeroext %arg) {
entry:
%arg.addr = alloca i8, align 1
store i8 %arg, i8* %arg.addr, align 1
%0 = load i8, i8* %arg.addr, align 1
%conv = uitofp i8 %0 to double
ret double %conv
; CHECK-LABEL: @_Z7testduch
; CHECK: mtvsrwz [[MOVEREG04:[0-9]+]], 3
; CHECK: xscvuxddp 1, [[MOVEREG04]]
}
; Function Attrs: nounwind
define signext i16 @_Z6testsff(float %arg) {
entry:
%arg.addr = alloca float, align 4
store float %arg, float* %arg.addr, align 4
%0 = load float, float* %arg.addr, align 4
%conv = fptosi float %0 to i16
ret i16 %conv
; CHECK-LABEL: @_Z6testsff
; CHECK: xscvdpsxws [[CONVREG05:[0-9]+]], 1
; CHECK: mfvsrwz 3, [[CONVREG05]]
}
; Function Attrs: nounwind
define float @_Z6testfss(i16 signext %arg) {
entry:
%arg.addr = alloca i16, align 2
store i16 %arg, i16* %arg.addr, align 2
%0 = load i16, i16* %arg.addr, align 2
%conv = sitofp i16 %0 to float
ret float %conv
; CHECK-LABEL: @_Z6testfss
; CHECK: mtvsrwa [[MOVEREG05:[0-9]+]], 3
; CHECK: xscvsxdsp 1, [[MOVEREG05]]
}
; Function Attrs: nounwind
define signext i16 @_Z6testsdd(double %arg) {
entry:
%arg.addr = alloca double, align 8
store double %arg, double* %arg.addr, align 8
%0 = load double, double* %arg.addr, align 8
%conv = fptosi double %0 to i16
ret i16 %conv
; CHECK-LABEL: @_Z6testsdd
; CHECK: xscvdpsxws [[CONVREG06:[0-9]+]], 1
; CHECK: mfvsrwz 3, [[CONVREG06]]
}
; Function Attrs: nounwind
define double @_Z6testdss(i16 signext %arg) {
entry:
%arg.addr = alloca i16, align 2
store i16 %arg, i16* %arg.addr, align 2
%0 = load i16, i16* %arg.addr, align 2
%conv = sitofp i16 %0 to double
ret double %conv
; CHECK-LABEL: @_Z6testdss
; CHECK: mtvsrwa [[MOVEREG06:[0-9]+]], 3
; CHECK: xscvsxddp 1, [[MOVEREG06]]
}
; Function Attrs: nounwind
define zeroext i16 @_Z7testusff(float %arg) {
entry:
%arg.addr = alloca float, align 4
store float %arg, float* %arg.addr, align 4
%0 = load float, float* %arg.addr, align 4
%conv = fptoui float %0 to i16
ret i16 %conv
; CHECK-LABEL: @_Z7testusff
; CHECK: xscvdpsxws [[CONVREG07:[0-9]+]], 1
; CHECK: mfvsrwz 3, [[CONVREG07]]
}
; Function Attrs: nounwind
define float @_Z7testfust(i16 zeroext %arg) {
entry:
%arg.addr = alloca i16, align 2
store i16 %arg, i16* %arg.addr, align 2
%0 = load i16, i16* %arg.addr, align 2
%conv = uitofp i16 %0 to float
ret float %conv
; CHECK-LABEL: @_Z7testfust
; CHECK: mtvsrwz [[MOVEREG07:[0-9]+]], 3
; CHECK: xscvuxdsp 1, [[MOVEREG07]]
}
; Function Attrs: nounwind
define zeroext i16 @_Z7testusdd(double %arg) {
entry:
%arg.addr = alloca double, align 8
store double %arg, double* %arg.addr, align 8
%0 = load double, double* %arg.addr, align 8
%conv = fptoui double %0 to i16
ret i16 %conv
; CHECK-LABEL: @_Z7testusdd
; CHECK: xscvdpsxws [[CONVREG08:[0-9]+]], 1
; CHECK: mfvsrwz 3, [[CONVREG08]]
}
; Function Attrs: nounwind
define double @_Z7testdust(i16 zeroext %arg) {
entry:
%arg.addr = alloca i16, align 2
store i16 %arg, i16* %arg.addr, align 2
%0 = load i16, i16* %arg.addr, align 2
%conv = uitofp i16 %0 to double
ret double %conv
; CHECK-LABEL: @_Z7testdust
; CHECK: mtvsrwz [[MOVEREG08:[0-9]+]], 3
; CHECK: xscvuxddp 1, [[MOVEREG08]]
}
; Function Attrs: nounwind
define signext i32 @_Z6testiff(float %arg) {
entry:
%arg.addr = alloca float, align 4
store float %arg, float* %arg.addr, align 4
%0 = load float, float* %arg.addr, align 4
%conv = fptosi float %0 to i32
ret i32 %conv
; CHECK-LABEL: @_Z6testiff
; CHECK: xscvdpsxws [[CONVREG09:[0-9]+]], 1
; CHECK: mfvsrwz 3, [[CONVREG09]]
}
; Function Attrs: nounwind
define float @_Z6testfii(i32 signext %arg) {
entry:
%arg.addr = alloca i32, align 4
store i32 %arg, i32* %arg.addr, align 4
%0 = load i32, i32* %arg.addr, align 4
%conv = sitofp i32 %0 to float
ret float %conv
; CHECK-LABEL: @_Z6testfii
; CHECK: mtvsrwa [[MOVEREG09:[0-9]+]], 3
; CHECK: xscvsxdsp 1, [[MOVEREG09]]
}
; Function Attrs: nounwind
define signext i32 @_Z6testidd(double %arg) {
entry:
%arg.addr = alloca double, align 8
store double %arg, double* %arg.addr, align 8
%0 = load double, double* %arg.addr, align 8
%conv = fptosi double %0 to i32
ret i32 %conv
; CHECK-LABEL: @_Z6testidd
; CHECK: xscvdpsxws [[CONVREG10:[0-9]+]], 1
; CHECK: mfvsrwz 3, [[CONVREG10]]
}
; Function Attrs: nounwind
define double @_Z6testdii(i32 signext %arg) {
entry:
%arg.addr = alloca i32, align 4
store i32 %arg, i32* %arg.addr, align 4
%0 = load i32, i32* %arg.addr, align 4
%conv = sitofp i32 %0 to double
ret double %conv
; CHECK-LABEL: @_Z6testdii
; CHECK: mtvsrwa [[MOVEREG10:[0-9]+]], 3
; CHECK: xscvsxddp 1, [[MOVEREG10]]
}
; Function Attrs: nounwind
define zeroext i32 @_Z7testuiff(float %arg) {
entry:
%arg.addr = alloca float, align 4
store float %arg, float* %arg.addr, align 4
%0 = load float, float* %arg.addr, align 4
%conv = fptoui float %0 to i32
ret i32 %conv
; CHECK-LABEL: @_Z7testuiff
; CHECK: xscvdpuxws [[CONVREG11:[0-9]+]], 1
; CHECK: mfvsrwz 3, [[CONVREG11]]
}
; Function Attrs: nounwind
define float @_Z7testfuij(i32 zeroext %arg) {
entry:
%arg.addr = alloca i32, align 4
store i32 %arg, i32* %arg.addr, align 4
%0 = load i32, i32* %arg.addr, align 4
%conv = uitofp i32 %0 to float
ret float %conv
; CHECK-LABEL: @_Z7testfuij
; CHECK: mtvsrwz [[MOVEREG11:[0-9]+]], 3
; CHECK: xscvuxdsp 1, [[MOVEREG11]]
}
; Function Attrs: nounwind
define zeroext i32 @_Z7testuidd(double %arg) {
entry:
%arg.addr = alloca double, align 8
store double %arg, double* %arg.addr, align 8
%0 = load double, double* %arg.addr, align 8
%conv = fptoui double %0 to i32
ret i32 %conv
; CHECK-LABEL: @_Z7testuidd
; CHECK: xscvdpuxws [[CONVREG12:[0-9]+]], 1
; CHECK: mfvsrwz 3, [[CONVREG12]]
}
; Function Attrs: nounwind
define double @_Z7testduij(i32 zeroext %arg) {
entry:
%arg.addr = alloca i32, align 4
store i32 %arg, i32* %arg.addr, align 4
%0 = load i32, i32* %arg.addr, align 4
%conv = uitofp i32 %0 to double
ret double %conv
; CHECK-LABEL: @_Z7testduij
; CHECK: mtvsrwz [[MOVEREG12:[0-9]+]], 3
; CHECK: xscvuxddp 1, [[MOVEREG12]]
}
; Function Attrs: nounwind
define i64 @_Z7testllff(float %arg) {
entry:
%arg.addr = alloca float, align 4
store float %arg, float* %arg.addr, align 4
%0 = load float, float* %arg.addr, align 4
%conv = fptosi float %0 to i64
ret i64 %conv
; CHECK-LABEL: @_Z7testllff
; CHECK: xscvdpsxds [[CONVREG13:[0-9]+]], 1
; CHECK: mfvsrd 3, [[CONVREG13]]
}
; Function Attrs: nounwind
define float @_Z7testfllx(i64 %arg) {
entry:
%arg.addr = alloca i64, align 8
store i64 %arg, i64* %arg.addr, align 8
%0 = load i64, i64* %arg.addr, align 8
%conv = sitofp i64 %0 to float
ret float %conv
; CHECK-LABEL:@_Z7testfllx
; CHECK: mtvsrd [[MOVEREG13:[0-9]+]], 3
; CHECK: xscvsxdsp 1, [[MOVEREG13]]
}
; Function Attrs: nounwind
define i64 @_Z7testlldd(double %arg) {
entry:
%arg.addr = alloca double, align 8
store double %arg, double* %arg.addr, align 8
%0 = load double, double* %arg.addr, align 8
%conv = fptosi double %0 to i64
ret i64 %conv
; CHECK-LABEL: @_Z7testlldd
; CHECK: xscvdpsxds [[CONVREG14:[0-9]+]], 1
; CHECK: mfvsrd 3, [[CONVREG14]]
}
; Function Attrs: nounwind
define double @_Z7testdllx(i64 %arg) {
entry:
%arg.addr = alloca i64, align 8
store i64 %arg, i64* %arg.addr, align 8
%0 = load i64, i64* %arg.addr, align 8
%conv = sitofp i64 %0 to double
ret double %conv
; CHECK-LABEL: @_Z7testdllx
; CHECK: mtvsrd [[MOVEREG14:[0-9]+]], 3
; CHECK: xscvsxddp 1, [[MOVEREG14]]
}
; Function Attrs: nounwind
define i64 @_Z8testullff(float %arg) {
entry:
%arg.addr = alloca float, align 4
store float %arg, float* %arg.addr, align 4
%0 = load float, float* %arg.addr, align 4
%conv = fptoui float %0 to i64
ret i64 %conv
; CHECK-LABEL: @_Z8testullff
; CHECK: xscvdpuxds [[CONVREG15:[0-9]+]], 1
; CHECK: mfvsrd 3, [[CONVREG15]]
}
; Function Attrs: nounwind
define float @_Z8testfully(i64 %arg) {
entry:
%arg.addr = alloca i64, align 8
store i64 %arg, i64* %arg.addr, align 8
%0 = load i64, i64* %arg.addr, align 8
%conv = uitofp i64 %0 to float
ret float %conv
; CHECK-LABEL: @_Z8testfully
; CHECK: mtvsrd [[MOVEREG15:[0-9]+]], 3
; CHECK: xscvuxdsp 1, [[MOVEREG15]]
}
; Function Attrs: nounwind
define i64 @_Z8testulldd(double %arg) {
entry:
%arg.addr = alloca double, align 8
store double %arg, double* %arg.addr, align 8
%0 = load double, double* %arg.addr, align 8
%conv = fptoui double %0 to i64
ret i64 %conv
; CHECK-LABEL: @_Z8testulldd
; CHECK: xscvdpuxds [[CONVREG16:[0-9]+]], 1
; CHECK: mfvsrd 3, [[CONVREG16]]
}
; Function Attrs: nounwind
define double @_Z8testdully(i64 %arg) {
entry:
%arg.addr = alloca i64, align 8
store i64 %arg, i64* %arg.addr, align 8
%0 = load i64, i64* %arg.addr, align 8
%conv = uitofp i64 %0 to double
ret double %conv
; CHECK-LABEL: @_Z8testdully
; CHECK: mtvsrd [[MOVEREG16:[0-9]+]], 3
; CHECK: xscvuxddp 1, [[MOVEREG16]]
}
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