llvm-project/llvm/test/CodeGen/Mips/compactbranches/compact-branches.ll

207 lines
4.7 KiB
LLVM

; RUN: llc -march=mipsel -mcpu=mips32r6 -relocation-model=static -disable-mips-delay-filler < %s | FileCheck %s -check-prefix=STATIC32
; RUN: llc -march=mipsel -mcpu=mips64r6 -target-abi n64 -disable-mips-delay-filler < %s | FileCheck %s -check-prefix=PIC
; Function Attrs: nounwind
define void @l() {
entry:
; PIC: jalrc $25
%call = tail call i32 @k()
; PIC: jalrc $25
%call1 = tail call i32 @j()
%cmp = icmp eq i32 %call, %call1
; CHECK: bnec
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry:
; STATIC: nop
; STATIC: jal
; PIC: jalrc $25
tail call void @f(i32 signext -2)
br label %if.end
if.end: ; preds = %if.then, %entry
; CHECK: jrc $ra
ret void
}
declare i32 @k()
declare i32 @j()
declare void @f(i32 signext)
; Function Attrs: define void @l2() {
define void @l2() {
entry:
; PIC: jalrc $25
%call = tail call i32 @k()
; PIC: jalrc $25
%call1 = tail call i32 @i()
%cmp = icmp eq i32 %call, %call1
; CHECK beqc
br i1 %cmp, label %if.end, label %if.then
if.then: ; preds = %entry:
; STATIC: nop
; STATIC: jal
; PIC: jalrc $25
tail call void @f(i32 signext -1)
br label %if.end
if.end: ; preds = %entry, %if.then
; CHECK: jrc $ra
ret void
}
declare i32 @i()
; Function Attrs: nounwind
define void @l3() {
entry:
; PIC: jalrc $25
%call = tail call i32 @k()
%cmp = icmp slt i32 %call, 0
; CHECK : bgez
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry:
; STATIC: nop
; STATIC: jal
; PIC: jalrc $25
tail call void @f(i32 signext 0)
br label %if.end
if.end: ; preds = %if.then, %entry
; CHECK: jrc $ra
ret void
}
; Function Attrs: nounwind
define void @l4() {
entry:
%call = tail call i32 @k()
%cmp = icmp slt i32 %call, 1
; CHECK: bgtzc
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry:
; STATIC: nop
; STATIC: jal
tail call void @f(i32 signext 1)
br label %if.end
if.end: ; preds = %if.then, %entry
; CHECK: jrc $ra
ret void
}
; Function Attrs: nounwind
define void @l5() {
entry:
; PIC: jalrc $25
%call = tail call i32 @k()
; PIC: jalrc $25
%cmp = icmp sgt i32 %call, 0
; CHECK: blezc
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry:
; STATIC: nop
; STATIC: jal
; PIC: jalrc $25
tail call void @f(i32 signext 2)
br label %if.end
if.end: ; preds = %if.then, %entry
; CHECK: jrc $ra
ret void
}
; Function Attrs: nounwind
define void @l6() {
entry:
; PIC: jalrc $25
%call = tail call i32 @k()
; PIC: jalrc $25
%cmp = icmp sgt i32 %call, -1
; CHECK: bltzc
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry:
; STATIC: nop
; STATIC: jal
; PIC: jalrc $25
tail call void @f(i32 signext 3)
br label %if.end
if.end: ; preds = %if.then, %entry
; CHECK: jrc $ra
ret void
}
; Function Attrs: nounwind
define void @l7() {
entry:
; PIC: jalrc $25
%call = tail call i32 @k()
%cmp = icmp eq i32 %call, 0
; CHECK: bnezc
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry:
; STATIC: nop
; STATIC: jal
; PIC: jalrc $25
tail call void @f(i32 signext 4)
br label %if.end
if.end: ; preds = %if.then, %entry
; CHECK: jrc $ra
ret void
}
; Function Attrs: nounwind
define void @l8() {
entry:
; PIC: jalrc $25
%call = tail call i32 @k()
%cmp = icmp eq i32 %call, 0
; CHECK: beqzc
br i1 %cmp, label %if.end, label %if.then
if.then: ; preds = %entry:
; STATIC: nop
; STATIC: jal
; PIC: jalrc $25
tail call void @f(i32 signext 5)
br label %if.end
if.end: ; preds = %entry, %if.then
; CHECK: jrc $ra
ret void
}
define i32 @l9(i8* ()* %i) #0 {
entry:
%i.addr = alloca i8* ()*, align 4
store i8* ()* %i, i8* ()** %i.addr, align 4
; STATIC32: jal
; STATIC32: nop
; PIC: jalrc $25
%call = call i32 @k()
; PIC: jalrc $25
%cmp = icmp ne i32 %call, 0
; CHECK: beqzc
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
%0 = load i8* ()*, i8* ()** %i.addr, align 4
; CHECK: jalrc $25
%call1 = call i8* %0()
br label %if.end
if.end: ; preds = %if.then, %entry
; CHECK: jrc $ra
ret i32 -1
}