1 ; RUN: llc < %s -march=x86 | grep mov | count 1 2 3 ; Do zextload, instead of a load and a separate zext. 4 5 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" 6 target triple = "i386-apple-darwin9.6" 7 %struct.move_s = type { i32, i32, i32, i32, i32, i32 } 8 %struct.node_t = type { i8, i8, i8, i8, i32, i32, %struct.node_t**, %struct.node_t*, %struct.move_s } 9 10 define fastcc void @set_proof_and_disproof_numbers(%struct.node_t* nocapture %node) nounwind { 11 entry: 12 %0 = load i8, i8* null, align 1 ; <i8> [#uses=1] 13 switch i8 %0, label %return [ 14 i8 2, label %bb31 15 i8 0, label %bb80 16 i8 1, label %bb82 17 i8 3, label %bb84 18 ] 19 20 bb31: ; preds = %entry 21 unreachable 22 23 bb80: ; preds = %entry 24 ret void 25 26 bb82: ; preds = %entry 27 ret void 28 29 bb84: ; preds = %entry 30 ret void 31 32 return: ; preds = %entry 33 ret void 34 } 35
