forked from OSchip/llvm-project
115 lines
3.7 KiB
LLVM
115 lines
3.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr9 -ppc-convert-rr-to-ri=false -ppc-asm-full-reg-names < %s | FileCheck %s
|
|
|
|
; ISEL matches address mode xaddr.
|
|
define i8 @test_xaddr(i8* %p) {
|
|
; CHECK-LABEL: test_xaddr:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: li r4, 0
|
|
; CHECK-NEXT: ori r4, r4, 40000
|
|
; CHECK-NEXT: std r3, -8(r1)
|
|
; CHECK-NEXT: lbzx r3, r3, r4
|
|
; CHECK-NEXT: blr
|
|
entry:
|
|
%p.addr = alloca i8*, align 8
|
|
store i8* %p, i8** %p.addr, align 8
|
|
%0 = load i8*, i8** %p.addr, align 8
|
|
%add.ptr = getelementptr inbounds i8, i8* %0, i64 40000
|
|
%1 = load i8, i8* %add.ptr, align 1
|
|
ret i8 %1
|
|
}
|
|
|
|
; ISEL matches address mode xaddrX4.
|
|
define i64 @test_xaddrX4(i8* %p) {
|
|
; CHECK-LABEL: test_xaddrX4:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: li r4, 3
|
|
; CHECK-NEXT: std r3, -8(r1)
|
|
; CHECK-NEXT: ldx r3, r3, r4
|
|
; CHECK-NEXT: blr
|
|
entry:
|
|
%p.addr = alloca i8*, align 8
|
|
store i8* %p, i8** %p.addr, align 8
|
|
%0 = load i8*, i8** %p.addr, align 8
|
|
%add.ptr = getelementptr inbounds i8, i8* %0, i64 3
|
|
%1 = bitcast i8* %add.ptr to i64*
|
|
%2 = load i64, i64* %1, align 8
|
|
ret i64 %2
|
|
}
|
|
|
|
; ISEL matches address mode xaddrX16.
|
|
define <2 x double> @test_xaddrX16(double* %arr) {
|
|
; CHECK-LABEL: test_xaddrX16:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: li r4, 40
|
|
; CHECK-NEXT: lxvx vs34, r3, r4
|
|
; CHECK-NEXT: blr
|
|
entry:
|
|
%arrayidx1 = getelementptr inbounds double, double* %arr, i64 5
|
|
%0 = bitcast double* %arrayidx1 to <2 x double>*
|
|
%1 = load <2 x double>, <2 x double>* %0, align 16
|
|
ret <2 x double> %1
|
|
}
|
|
|
|
; ISEL matches address mode xoaddr.
|
|
define void @test_xoaddr(i32* %arr, i32* %arrTo) {
|
|
; CHECK-LABEL: test_xoaddr:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: addi r3, r3, 8
|
|
; CHECK-NEXT: lxvx vs0, 0, r3
|
|
; CHECK-NEXT: addi r4, r4, 4
|
|
; CHECK-NEXT: stxvx vs0, 0, r4
|
|
; CHECK-NEXT: blr
|
|
entry:
|
|
%arrayidx = getelementptr inbounds i32, i32* %arrTo, i64 1
|
|
%0 = bitcast i32* %arrayidx to <4 x i32>*
|
|
%arrayidx1 = getelementptr inbounds i32, i32* %arr, i64 2
|
|
%1 = bitcast i32* %arrayidx1 to <4 x i32>*
|
|
%2 = load <4 x i32>, <4 x i32>* %1, align 8
|
|
store <4 x i32> %2, <4 x i32>* %0, align 8
|
|
ret void
|
|
}
|
|
|
|
; ISEL matches address mode xaddrX4 and generates LI which can be moved outside of
|
|
; loop.
|
|
define i64 @test_xaddrX4_loop(i8* %p) {
|
|
; CHECK-LABEL: test_xaddrX4_loop:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: addi r4, r3, -8
|
|
; CHECK-NEXT: li r3, 8
|
|
; CHECK-NEXT: mtctr r3
|
|
; CHECK-NEXT: li r3, 0
|
|
; CHECK-NEXT: li r5, 3
|
|
; loop instruction number is changed from 5 to 4, so its align is changed from 5 to 4.
|
|
; CHECK-NEXT: .p2align 4
|
|
; CHECK-NEXT: .LBB4_1: # %for.body
|
|
; CHECK: ldu r6, 8(r4)
|
|
; CHECK-NEXT: ldx r7, r4, r5
|
|
; CHECK-NEXT: maddld r3, r7, r6, r3
|
|
; CHECK-NEXT: bdnz .LBB4_1
|
|
; CHECK-NEXT: # %bb.2: # %for.end
|
|
; CHECK-NEXT: blr
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body: ; preds = %for.body, %entry
|
|
%i.015 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
|
|
%res.014 = phi i64 [ 0, %entry ], [ %add, %for.body ]
|
|
%mul = shl i64 %i.015, 3
|
|
%add.ptr = getelementptr inbounds i8, i8* %p, i64 %mul
|
|
%0 = bitcast i8* %add.ptr to i64*
|
|
%1 = load i64, i64* %0, align 8
|
|
%add.ptr3 = getelementptr inbounds i8, i8* %add.ptr, i64 3
|
|
%2 = bitcast i8* %add.ptr3 to i64*
|
|
%3 = load i64, i64* %2, align 8
|
|
%mul4 = mul i64 %3, %1
|
|
%add = add i64 %mul4, %res.014
|
|
%inc = add nuw nsw i64 %i.015, 1
|
|
%exitcond = icmp eq i64 %inc, 8
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
for.end: ; preds = %for.body
|
|
ret i64 %add
|
|
|
|
}
|