mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 20:23:11 +01:00
172 lines
6.0 KiB
LLVM
172 lines
6.0 KiB
LLVM
; RUN: llc -O3 -mtriple arm64-apple-ios3 -aarch64-enable-gep-opt=false %s -o - | FileCheck %s
|
|
; <rdar://problem/13621857>
|
|
|
|
@block = common global i8* null, align 8
|
|
|
|
define i32 @fct(i32 %i1, i32 %i2) {
|
|
; CHECK: @fct
|
|
; Sign extension is used more than once, thus it should not be folded.
|
|
; CodeGenPrepare is not sharing sext across uses, thus this is folded because
|
|
; of that.
|
|
; _CHECK-NOT: , sxtw]
|
|
entry:
|
|
%idxprom = sext i32 %i1 to i64
|
|
%0 = load i8*, i8** @block, align 8
|
|
%arrayidx = getelementptr inbounds i8, i8* %0, i64 %idxprom
|
|
%1 = load i8, i8* %arrayidx, align 1
|
|
%idxprom1 = sext i32 %i2 to i64
|
|
%arrayidx2 = getelementptr inbounds i8, i8* %0, i64 %idxprom1
|
|
%2 = load i8, i8* %arrayidx2, align 1
|
|
%cmp = icmp eq i8 %1, %2
|
|
br i1 %cmp, label %if.end, label %if.then
|
|
|
|
if.then: ; preds = %entry
|
|
%cmp7 = icmp ugt i8 %1, %2
|
|
%conv8 = zext i1 %cmp7 to i32
|
|
br label %return
|
|
|
|
if.end: ; preds = %entry
|
|
%inc = add nsw i32 %i1, 1
|
|
%inc9 = add nsw i32 %i2, 1
|
|
%idxprom10 = sext i32 %inc to i64
|
|
%arrayidx11 = getelementptr inbounds i8, i8* %0, i64 %idxprom10
|
|
%3 = load i8, i8* %arrayidx11, align 1
|
|
%idxprom12 = sext i32 %inc9 to i64
|
|
%arrayidx13 = getelementptr inbounds i8, i8* %0, i64 %idxprom12
|
|
%4 = load i8, i8* %arrayidx13, align 1
|
|
%cmp16 = icmp eq i8 %3, %4
|
|
br i1 %cmp16, label %if.end23, label %if.then18
|
|
|
|
if.then18: ; preds = %if.end
|
|
%cmp21 = icmp ugt i8 %3, %4
|
|
%conv22 = zext i1 %cmp21 to i32
|
|
br label %return
|
|
|
|
if.end23: ; preds = %if.end
|
|
%inc24 = add nsw i32 %i1, 2
|
|
%inc25 = add nsw i32 %i2, 2
|
|
%idxprom26 = sext i32 %inc24 to i64
|
|
%arrayidx27 = getelementptr inbounds i8, i8* %0, i64 %idxprom26
|
|
%5 = load i8, i8* %arrayidx27, align 1
|
|
%idxprom28 = sext i32 %inc25 to i64
|
|
%arrayidx29 = getelementptr inbounds i8, i8* %0, i64 %idxprom28
|
|
%6 = load i8, i8* %arrayidx29, align 1
|
|
%cmp32 = icmp eq i8 %5, %6
|
|
br i1 %cmp32, label %return, label %if.then34
|
|
|
|
if.then34: ; preds = %if.end23
|
|
%cmp37 = icmp ugt i8 %5, %6
|
|
%conv38 = zext i1 %cmp37 to i32
|
|
br label %return
|
|
|
|
return: ; preds = %if.end23, %if.then34, %if.then18, %if.then
|
|
%retval.0 = phi i32 [ %conv8, %if.then ], [ %conv22, %if.then18 ], [ %conv38, %if.then34 ], [ 1, %if.end23 ]
|
|
ret i32 %retval.0
|
|
}
|
|
|
|
define i32 @fct1(i32 %i1, i32 %i2) optsize {
|
|
; CHECK: @fct1
|
|
; Addressing are folded when optimizing for code size.
|
|
; CHECK: , sxtw]
|
|
; CHECK: , sxtw]
|
|
entry:
|
|
%idxprom = sext i32 %i1 to i64
|
|
%0 = load i8*, i8** @block, align 8
|
|
%arrayidx = getelementptr inbounds i8, i8* %0, i64 %idxprom
|
|
%1 = load i8, i8* %arrayidx, align 1
|
|
%idxprom1 = sext i32 %i2 to i64
|
|
%arrayidx2 = getelementptr inbounds i8, i8* %0, i64 %idxprom1
|
|
%2 = load i8, i8* %arrayidx2, align 1
|
|
%cmp = icmp eq i8 %1, %2
|
|
br i1 %cmp, label %if.end, label %if.then
|
|
|
|
if.then: ; preds = %entry
|
|
%cmp7 = icmp ugt i8 %1, %2
|
|
%conv8 = zext i1 %cmp7 to i32
|
|
br label %return
|
|
|
|
if.end: ; preds = %entry
|
|
%inc = add nsw i32 %i1, 1
|
|
%inc9 = add nsw i32 %i2, 1
|
|
%idxprom10 = sext i32 %inc to i64
|
|
%arrayidx11 = getelementptr inbounds i8, i8* %0, i64 %idxprom10
|
|
%3 = load i8, i8* %arrayidx11, align 1
|
|
%idxprom12 = sext i32 %inc9 to i64
|
|
%arrayidx13 = getelementptr inbounds i8, i8* %0, i64 %idxprom12
|
|
%4 = load i8, i8* %arrayidx13, align 1
|
|
%cmp16 = icmp eq i8 %3, %4
|
|
br i1 %cmp16, label %if.end23, label %if.then18
|
|
|
|
if.then18: ; preds = %if.end
|
|
%cmp21 = icmp ugt i8 %3, %4
|
|
%conv22 = zext i1 %cmp21 to i32
|
|
br label %return
|
|
|
|
if.end23: ; preds = %if.end
|
|
%inc24 = add nsw i32 %i1, 2
|
|
%inc25 = add nsw i32 %i2, 2
|
|
%idxprom26 = sext i32 %inc24 to i64
|
|
%arrayidx27 = getelementptr inbounds i8, i8* %0, i64 %idxprom26
|
|
%5 = load i8, i8* %arrayidx27, align 1
|
|
%idxprom28 = sext i32 %inc25 to i64
|
|
%arrayidx29 = getelementptr inbounds i8, i8* %0, i64 %idxprom28
|
|
%6 = load i8, i8* %arrayidx29, align 1
|
|
%cmp32 = icmp eq i8 %5, %6
|
|
br i1 %cmp32, label %return, label %if.then34
|
|
|
|
if.then34: ; preds = %if.end23
|
|
%cmp37 = icmp ugt i8 %5, %6
|
|
%conv38 = zext i1 %cmp37 to i32
|
|
br label %return
|
|
|
|
return: ; preds = %if.end23, %if.then34, %if.then18, %if.then
|
|
%retval.0 = phi i32 [ %conv8, %if.then ], [ %conv22, %if.then18 ], [ %conv38, %if.then34 ], [ 1, %if.end23 ]
|
|
ret i32 %retval.0
|
|
}
|
|
|
|
; CHECK: @test
|
|
; CHECK-NOT: , uxtw #2]
|
|
define i32 @test(i32* %array, i8 zeroext %c, i32 %arg) {
|
|
entry:
|
|
%conv = zext i8 %c to i32
|
|
%add = sub i32 0, %arg
|
|
%tobool = icmp eq i32 %conv, %add
|
|
br i1 %tobool, label %if.end, label %if.then
|
|
|
|
if.then: ; preds = %entry
|
|
%idxprom = zext i8 %c to i64
|
|
%arrayidx = getelementptr inbounds i32, i32* %array, i64 %idxprom
|
|
%0 = load volatile i32, i32* %arrayidx, align 4
|
|
%1 = load volatile i32, i32* %arrayidx, align 4
|
|
%add3 = add nsw i32 %1, %0
|
|
br label %if.end
|
|
|
|
if.end: ; preds = %entry, %if.then
|
|
%res.0 = phi i32 [ %add3, %if.then ], [ 0, %entry ]
|
|
ret i32 %res.0
|
|
}
|
|
|
|
|
|
; CHECK: @test2
|
|
; CHECK: , uxtw #2]
|
|
; CHECK: , uxtw #2]
|
|
define i32 @test2(i32* %array, i8 zeroext %c, i32 %arg) optsize {
|
|
entry:
|
|
%conv = zext i8 %c to i32
|
|
%add = sub i32 0, %arg
|
|
%tobool = icmp eq i32 %conv, %add
|
|
br i1 %tobool, label %if.end, label %if.then
|
|
|
|
if.then: ; preds = %entry
|
|
%idxprom = zext i8 %c to i64
|
|
%arrayidx = getelementptr inbounds i32, i32* %array, i64 %idxprom
|
|
%0 = load volatile i32, i32* %arrayidx, align 4
|
|
%1 = load volatile i32, i32* %arrayidx, align 4
|
|
%add3 = add nsw i32 %1, %0
|
|
br label %if.end
|
|
|
|
if.end: ; preds = %entry, %if.then
|
|
%res.0 = phi i32 [ %add3, %if.then ], [ 0, %entry ]
|
|
ret i32 %res.0
|
|
}
|