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| ; RUN: opt < %s -instcombine -disable-output
; SimplifyDemandedBits should cope with pointer types.
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"
target triple = "x86_64-unknown-linux-gnu"
%struct.VEC_rtx_base = type { i32, i32, [1 x %struct.rtx_def*] }
%struct.VEC_rtx_gc = type { %struct.VEC_rtx_base }
%struct.block_symbol = type { [3 x %struct.rtunion], %struct.object_block*, i64 }
%struct.object_block = type { %struct.section*, i32, i64, %struct.VEC_rtx_gc*, %struct.VEC_rtx_gc* }
%struct.omp_clause_subcode = type { i32 }
%struct.rtunion = type { i8* }
%struct.rtx_def = type { i16, i8, i8, %struct.u }
%struct.section = type { %struct.unnamed_section }
%struct.u = type { %struct.block_symbol }
%struct.unnamed_section = type { %struct.omp_clause_subcode, void (i8*)*, i8*, %struct.section* }
define fastcc void @cse_insn(%struct.rtx_def* %insn, %struct.rtx_def* %libcall_insn) nounwind {
entry:
br i1 undef, label %bb43, label %bb88
bb43: ; preds = %entry
br label %bb88
bb88: ; preds = %bb43, %entry
br i1 undef, label %bb95, label %bb107
bb95: ; preds = %bb88
unreachable
bb107: ; preds = %bb88
%0 = load i16, i16* undef, align 8 ; <i16> [#uses=1]
%1 = icmp eq i16 %0, 38 ; <i1> [#uses=1]
%src_eqv_here.0 = select i1 %1, %struct.rtx_def* null, %struct.rtx_def* null ; <%struct.rtx_def*> [#uses=1]
br i1 undef, label %bb127, label %bb125
bb125: ; preds = %bb107
br i1 undef, label %bb127, label %bb126
bb126: ; preds = %bb125
br i1 undef, label %bb129, label %bb133
bb127: ; preds = %bb125, %bb107
unreachable
bb129: ; preds = %bb126
br label %bb133
bb133: ; preds = %bb129, %bb126
br i1 undef, label %bb134, label %bb146
bb134: ; preds = %bb133
unreachable
bb146: ; preds = %bb133
br i1 undef, label %bb180, label %bb186
bb180: ; preds = %bb146
%2 = icmp eq %struct.rtx_def* null, null ; <i1> [#uses=1]
%3 = zext i1 %2 to i8 ; <i8> [#uses=1]
%4 = icmp ne %struct.rtx_def* %src_eqv_here.0, null ; <i1> [#uses=1]
%5 = zext i1 %4 to i8 ; <i8> [#uses=1]
%toBool181 = icmp ne i8 %3, 0 ; <i1> [#uses=1]
%toBool182 = icmp ne i8 %5, 0 ; <i1> [#uses=1]
%6 = and i1 %toBool181, %toBool182 ; <i1> [#uses=1]
%7 = zext i1 %6 to i8 ; <i8> [#uses=1]
%toBool183 = icmp ne i8 %7, 0 ; <i1> [#uses=1]
br i1 %toBool183, label %bb184, label %bb186
bb184: ; preds = %bb180
br i1 undef, label %bb185, label %bb186
bb185: ; preds = %bb184
br label %bb186
bb186: ; preds = %bb185, %bb184, %bb180, %bb146
br i1 undef, label %bb190, label %bb195
bb190: ; preds = %bb186
unreachable
bb195: ; preds = %bb186
unreachable
}
|