mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 00:32:23 +00:00
b4dc0233c9
This was done with the following sed invocation to catch label lines demarking function boundaries:
sed -i '' "s/^;\( *\)\([A-Z0-9_]*\):\( *\)test\([A-Za-z0-9_-]*\):\( *\)$/;\1\2-LABEL:\3test\4:\5/g" test/CodeGen/*/*.ll
which was written conservatively to avoid false positives rather than false negatives. I scanned through all the changes and everything looks correct.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186258 91177308-0d34-0410-b5e6-96231b3b80d8
64 lines
1.5 KiB
LLVM
64 lines
1.5 KiB
LLVM
; RUN: llc -march=x86-64 -mcpu=core2 < %s | FileCheck %s
|
|
|
|
; cmp with single-use load, should not form cmov.
|
|
define i32 @test1(double %a, double* nocapture %b, i32 %x, i32 %y) {
|
|
%load = load double* %b, align 8
|
|
%cmp = fcmp olt double %load, %a
|
|
%cond = select i1 %cmp, i32 %x, i32 %y
|
|
ret i32 %cond
|
|
; CHECK-LABEL: test1:
|
|
; CHECK: ucomisd
|
|
; CHECK-NOT: cmov
|
|
; CHECK: j
|
|
; CHECK-NOT: cmov
|
|
}
|
|
|
|
; Sanity check: no load.
|
|
define i32 @test2(double %a, double %b, i32 %x, i32 %y) {
|
|
%cmp = fcmp ogt double %a, %b
|
|
%cond = select i1 %cmp, i32 %x, i32 %y
|
|
ret i32 %cond
|
|
; CHECK-LABEL: test2:
|
|
; CHECK: ucomisd
|
|
; CHECK: cmov
|
|
}
|
|
|
|
; Multiple uses of %a, should not form cmov.
|
|
define i32 @test3(i32 %a, i32* nocapture %b, i32 %x) {
|
|
%load = load i32* %b, align 4
|
|
%cmp = icmp ult i32 %load, %a
|
|
%cond = select i1 %cmp, i32 %a, i32 %x
|
|
ret i32 %cond
|
|
; CHECK-LABEL: test3:
|
|
; CHECK: cmpl
|
|
; CHECK-NOT: cmov
|
|
; CHECK: j
|
|
; CHECK-NOT: cmov
|
|
}
|
|
|
|
; Multiple uses of the load.
|
|
define i32 @test4(i32 %a, i32* nocapture %b, i32 %x, i32 %y) {
|
|
%load = load i32* %b, align 4
|
|
%cmp = icmp ult i32 %load, %a
|
|
%cond = select i1 %cmp, i32 %x, i32 %y
|
|
%add = add i32 %cond, %load
|
|
ret i32 %add
|
|
; CHECK-LABEL: test4:
|
|
; CHECK: cmpl
|
|
; CHECK: cmov
|
|
}
|
|
|
|
; Multiple uses of the cmp.
|
|
define i32 @test5(i32 %a, i32* nocapture %b, i32 %x, i32 %y) {
|
|
%load = load i32* %b, align 4
|
|
%cmp = icmp ult i32 %load, %a
|
|
%cmp1 = icmp ugt i32 %load, %a
|
|
%cond = select i1 %cmp1, i32 %a, i32 %y
|
|
%cond5 = select i1 %cmp, i32 %cond, i32 %x
|
|
ret i32 %cond5
|
|
; CHECK-LABEL: test5:
|
|
; CHECK: cmpl
|
|
; CHECK: cmov
|
|
; CHECK: cmov
|
|
}
|