mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 16:33:37 +01:00
94 lines
3.1 KiB
LLVM
94 lines
3.1 KiB
LLVM
; RUN: opt -O3 -S < %s | FileCheck %s
|
|
; XFAIL: *
|
|
|
|
declare i32 @doo(...)
|
|
|
|
; PR6627 - This whole nasty sequence should be flattened down to a single
|
|
; 32-bit comparison.
|
|
define void @test2(i8* %arrayidx) nounwind ssp {
|
|
entry:
|
|
%xx = bitcast i8* %arrayidx to i32*
|
|
%x1 = load i32* %xx, align 4
|
|
%tmp = trunc i32 %x1 to i8
|
|
%conv = zext i8 %tmp to i32
|
|
%cmp = icmp eq i32 %conv, 127
|
|
br i1 %cmp, label %land.lhs.true, label %if.end
|
|
|
|
land.lhs.true: ; preds = %entry
|
|
%arrayidx4 = getelementptr inbounds i8* %arrayidx, i64 1
|
|
%tmp5 = load i8* %arrayidx4, align 1
|
|
%conv6 = zext i8 %tmp5 to i32
|
|
%cmp7 = icmp eq i32 %conv6, 69
|
|
br i1 %cmp7, label %land.lhs.true9, label %if.end
|
|
|
|
land.lhs.true9: ; preds = %land.lhs.true
|
|
%arrayidx12 = getelementptr inbounds i8* %arrayidx, i64 2
|
|
%tmp13 = load i8* %arrayidx12, align 1
|
|
%conv14 = zext i8 %tmp13 to i32
|
|
%cmp15 = icmp eq i32 %conv14, 76
|
|
br i1 %cmp15, label %land.lhs.true17, label %if.end
|
|
|
|
land.lhs.true17: ; preds = %land.lhs.true9
|
|
%arrayidx20 = getelementptr inbounds i8* %arrayidx, i64 3
|
|
%tmp21 = load i8* %arrayidx20, align 1
|
|
%conv22 = zext i8 %tmp21 to i32
|
|
%cmp23 = icmp eq i32 %conv22, 70
|
|
br i1 %cmp23, label %if.then, label %if.end
|
|
|
|
if.then: ; preds = %land.lhs.true17
|
|
%call25 = call i32 (...)* @doo()
|
|
br label %if.end
|
|
|
|
if.end:
|
|
ret void
|
|
|
|
; CHECK: @test2
|
|
; CHECK: %x1 = load i32* %xx, align 4
|
|
; CHECK-NEXT: icmp eq i32 %x1, 1179403647
|
|
; CHECK-NEXT: br i1 {{.*}}, label %if.then, label %if.end
|
|
}
|
|
|
|
; PR6627 - This should all be flattened down to one compare. This is the same
|
|
; as test2, except that the initial load is done as an i8 instead of i32, thus
|
|
; requiring widening.
|
|
define void @test2a(i8* %arrayidx) nounwind ssp {
|
|
entry:
|
|
%x1 = load i8* %arrayidx, align 4
|
|
%conv = zext i8 %x1 to i32
|
|
%cmp = icmp eq i32 %conv, 127
|
|
br i1 %cmp, label %land.lhs.true, label %if.end
|
|
|
|
land.lhs.true: ; preds = %entry
|
|
%arrayidx4 = getelementptr inbounds i8* %arrayidx, i64 1
|
|
%tmp5 = load i8* %arrayidx4, align 1
|
|
%conv6 = zext i8 %tmp5 to i32
|
|
%cmp7 = icmp eq i32 %conv6, 69
|
|
br i1 %cmp7, label %land.lhs.true9, label %if.end
|
|
|
|
land.lhs.true9: ; preds = %land.lhs.true
|
|
%arrayidx12 = getelementptr inbounds i8* %arrayidx, i64 2
|
|
%tmp13 = load i8* %arrayidx12, align 1
|
|
%conv14 = zext i8 %tmp13 to i32
|
|
%cmp15 = icmp eq i32 %conv14, 76
|
|
br i1 %cmp15, label %land.lhs.true17, label %if.end
|
|
|
|
land.lhs.true17: ; preds = %land.lhs.true9
|
|
%arrayidx20 = getelementptr inbounds i8* %arrayidx, i64 3
|
|
%tmp21 = load i8* %arrayidx20, align 1
|
|
%conv22 = zext i8 %tmp21 to i32
|
|
%cmp23 = icmp eq i32 %conv22, 70
|
|
br i1 %cmp23, label %if.then, label %if.end
|
|
|
|
if.then: ; preds = %land.lhs.true17
|
|
%call25 = call i32 (...)* @doo()
|
|
br label %if.end
|
|
|
|
if.end:
|
|
ret void
|
|
|
|
; CHECK: @test2a
|
|
; CHECK: %x1 = load i32* {{.*}}, align 4
|
|
; CHECK-NEXT: icmp eq i32 %x1, 1179403647
|
|
; CHECK-NEXT: br i1 {{.*}}, label %if.then, label %if.end
|
|
}
|