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llvm-mirror/test/CodeGen/Hexagon/postinc-float.ll
Brendon Cahoon ee2880e215 [Hexagon] Generate post-increment for floating point types
The code that generates post-increments for Hexagon considered
integer values only. This patch adds support to generate them for
floating point values, f32 and f64.

Differential Revision: https://reviews.llvm.org/D47036

llvm-svn: 332748
2018-05-18 18:14:44 +00:00

87 lines
2.8 KiB
LLVM

; RUN: llc -mtriple=hexagon-unknown-elf < %s | FileCheck %s
; CHECK-LABEL: ldf
; CHECK: memw(r{{[0-9]+}}++#4)
; CHECK: memw(r{{[0-9]+}}++#4)
define float @ldf(float* nocapture readonly %x, float* nocapture readonly %y) local_unnamed_addr #0 {
entry:
br label %for.body
for.body:
%arrayidx.phi = phi float* [ %x, %entry ], [ %arrayidx.inc, %for.body ]
%arrayidx1.phi = phi float* [ %y, %entry ], [ %arrayidx1.inc, %for.body ]
%i.09 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%acc.08 = phi float [ 0.000000e+00, %entry ], [ %add, %for.body ]
%0 = load float, float* %arrayidx.phi, align 4
%1 = load float, float* %arrayidx1.phi, align 4
%mul = fmul contract float %0, %1
%add = fadd contract float %acc.08, %mul
%inc = add nuw nsw i32 %i.09, 1
%exitcond = icmp eq i32 %inc, 1024
%arrayidx.inc = getelementptr float, float* %arrayidx.phi, i32 1
%arrayidx1.inc = getelementptr float, float* %arrayidx1.phi, i32 1
br i1 %exitcond, label %for.end, label %for.body
for.end:
ret float %add
}
; CHECK-LABEL: ldd
; CHECK: memd(r{{[0-9]+}}++#8)
; CHECK: memd(r{{[0-9]+}}++#8)
define double @ldd(double* nocapture readonly %x, double* nocapture readonly %y) local_unnamed_addr #0 {
entry:
br label %for.body
for.body:
%arrayidx.phi = phi double* [ %x, %entry ], [ %arrayidx.inc, %for.body ]
%arrayidx1.phi = phi double* [ %y, %entry ], [ %arrayidx1.inc, %for.body ]
%i.09 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%acc.08 = phi double [ 0.000000e+00, %entry ], [ %add, %for.body ]
%0 = load double, double* %arrayidx.phi, align 8
%1 = load double, double* %arrayidx1.phi, align 8
%mul = fmul contract double %0, %1
%add = fadd contract double %acc.08, %mul
%inc = add nuw nsw i32 %i.09, 1
%exitcond = icmp eq i32 %inc, 1024
%arrayidx.inc = getelementptr double, double* %arrayidx.phi, i32 1
%arrayidx1.inc = getelementptr double, double* %arrayidx1.phi, i32 1
br i1 %exitcond, label %for.end, label %for.body
for.end:
ret double %add
}
; CHECK-LABEL: stf
; CHECK: memw(r{{[0-9]+}}++#4)
define double* @stf(float* returned %p) local_unnamed_addr #0 {
entry:
br label %for.body
for.body:
%arrayidx.phi = phi float* [ %arrayidx.inc, %for.body ], [ %p, %entry ]
%call = tail call float @foof() #2
store float %call, float* %arrayidx.phi, align 8
%arrayidx.inc = getelementptr float, float* %arrayidx.phi, i32 1
br label %for.body
}
declare float @foof() local_unnamed_addr #1
; CHECK-LABEL: std
; CHECK: memd(r{{[0-9]+}}++#8)
define double* @std(double* returned %p) local_unnamed_addr #0 {
entry:
br label %for.body
for.body:
%arrayidx.phi = phi double* [ %arrayidx.inc, %for.body ], [ %p, %entry ]
%call = tail call double @food() #2
store double %call, double* %arrayidx.phi, align 8
%arrayidx.inc = getelementptr double, double* %arrayidx.phi, i32 1
br label %for.body
}
declare double @food() local_unnamed_addr #1