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llvm-6502/test/Transforms/PhaseOrdering/basic.ll
Nick Lewycky 9071ac2797 This directory was missing the dg.exp to cause the tests to run. Some time since
it was added, the test has regressed, so XFAIL it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132686 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-06 20:23:00 +00:00

119 lines
3.7 KiB
LLVM

; RUN: opt -O3 -S %s | FileCheck %s
; XFAIL: *
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-apple-macosx10.6.7"
declare i8* @malloc(i64)
declare void @free(i8*)
; PR2338
define void @test1() nounwind ssp {
%retval = alloca i32, align 4
%i = alloca i8*, align 8
%call = call i8* @malloc(i64 1)
store i8* %call, i8** %i, align 8
%tmp = load i8** %i, align 8
store i8 1, i8* %tmp
%tmp1 = load i8** %i, align 8
call void @free(i8* %tmp1)
ret void
; CHECK: @test1
; CHECK-NEXT: ret void
}
; 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
}
declare i32 @doo(...)
; 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
}