llvm-project/llvm/test/CodeGen/PowerPC/direct-move-profit.ll
Kai Nacke 427fb35192 [PPC] Opaque pointer migration, part 1.
The LIT test cases were migrated with the script provided by
Nikita Popov. Due to the size of the change it is split into
several parts.

Reviewed By: nemanja, amyk, nikic, PowerPC

Differential Revision: https://reviews.llvm.org/D135470
2022-10-11 17:24:06 +00:00

84 lines
2.3 KiB
LLVM

; RUN: llc -verify-machineinstrs -O2 -mcpu=pwr8 -mtriple=powerpc64le-unknown-unknown < %s | FileCheck %s
; Function Attrs: norecurse nounwind
define void @test1(ptr noalias nocapture %a, ptr noalias nocapture readonly %b, ptr nocapture readnone %c, i32 signext %n) #0 {
; CHECK-LABEL: test1
entry:
%idxprom = sext i32 %n to i64
%arrayidx = getelementptr inbounds i32, ptr %b, i64 %idxprom
%0 = load i32, ptr %arrayidx, align 4, !tbaa !1
%conv = sitofp i32 %0 to float
%mul = fmul float %conv, 0x4002916880000000
%arrayidx2 = getelementptr inbounds float, ptr %a, i64 %idxprom
store float %mul, ptr %arrayidx2, align 4, !tbaa !5
ret void
; CHECK-NOT: mtvsrwa
; CHECK-NOT: mtfprwa
; CHECK: lfiwax [[REG:[0-9]+]], {{.*}}
; CHECK-NOT: mtvsrwa
; CHECK-NOT: mtfprwa
; CHECK: xscvsxdsp {{.*}}, [[REG]]
; CHECK-NOT: mtvsrwa
; CHECK-NOT: mtfprwa
; CHECK: blr
}
; Function Attrs: norecurse nounwind readonly
define float @test2(ptr nocapture readonly %b) #0 {
; CHECK-LABEL: test2
entry:
%0 = load i32, ptr %b, align 4, !tbaa !1
%conv = sitofp i32 %0 to float
%mul = fmul float %conv, 0x40030A3D80000000
ret float %mul
; CHECK-NOT: mtvsrwa
; CHECK-NOT: mtfprwa
; CHECK: lfiwax [[REG:[0-9]+]], {{.*}}
; CHECK-NOT: mtvsrwa
; CHECK-NOT: mtfprwa
; CHECK: xscvsxdsp {{.*}}, [[REG]]
; CHECK-NOT: mtvsrwa
; CHECK-NOT: mtfprwa
; CHECK: blr
}
; Function Attrs: norecurse nounwind
define void @test3(ptr noalias nocapture %a, ptr noalias nocapture readonly %b, ptr noalias nocapture %c, i32 signext %n) #0 {
; CHECK-LABEL: test3
entry:
%idxprom = sext i32 %n to i64
%arrayidx = getelementptr inbounds i32, ptr %b, i64 %idxprom
%0 = load i32, ptr %arrayidx, align 4, !tbaa !1
%conv = sitofp i32 %0 to float
%mul = fmul float %conv, 0x4002916880000000
%arrayidx2 = getelementptr inbounds float, ptr %a, i64 %idxprom
store float %mul, ptr %arrayidx2, align 4, !tbaa !5
%arrayidx6 = getelementptr inbounds i32, ptr %c, i64 %idxprom
%1 = load i32, ptr %arrayidx6, align 4, !tbaa !1
%add = add nsw i32 %1, %0
store i32 %add, ptr %arrayidx6, align 4, !tbaa !1
ret void
; CHECK: mtfprwa
; CHECK: blr
}
!0 = !{!"clang version 3.9.0"}
!1 = !{!2, !2, i64 0}
!2 = !{!"int", !3, i64 0}
!3 = !{!"omnipotent char", !4, i64 0}
!4 = !{!"Simple C++ TBAA"}
!5 = !{!6, !6, i64 0}
!6 = !{!"float", !3, i64 0}