1 ; RUN: llc -march=mipsel < %s | FileCheck %s 2 3 define i32 @twoalloca(i32 %size) nounwind { 4 entry: 5 ; CHECK: subu $[[T0:[0-9]+]], $sp, $[[SZ:[0-9]+]] 6 ; CHECK: addu $sp, $zero, $[[T0]] 7 ; CHECK: addiu $[[T1:[0-9]+]], $sp, [[OFF:[0-9]+]] 8 ; CHECK: subu $[[T2:[0-9]+]], $sp, $[[SZ]] 9 ; CHECK: addu $sp, $zero, $[[T2]] 10 ; CHECK: addiu $[[T3:[0-9]+]], $sp, [[OFF]] 11 ; CHECK: lw $[[T4:[0-9]+]], %call16(foo)($gp) 12 ; CHECK: addu $25, $zero, $[[T4]] 13 ; CHECK: addu $4, $zero, $[[T1]] 14 ; CHECK: jalr $25 15 %tmp1 = alloca i8, i32 %size, align 4 16 %add.ptr = getelementptr inbounds i8* %tmp1, i32 5 17 store i8 97, i8* %add.ptr, align 1 18 %tmp4 = alloca i8, i32 %size, align 4 19 call void @foo2(double 1.000000e+00, double 2.000000e+00, i32 3) nounwind 20 %call = call i32 @foo(i8* %tmp1) nounwind 21 %call7 = call i32 @foo(i8* %tmp4) nounwind 22 %add = add nsw i32 %call7, %call 23 ret i32 %add 24 } 25 26 declare void @foo2(double, double, i32) 27 28 declare i32 @foo(i8*) 29 30 @.str = private unnamed_addr constant [22 x i8] c"%d %d %d %d %d %d %d\0A\00", align 1 31 32 define i32 @alloca2(i32 %size) nounwind { 33 entry: 34 ; dynamic allocated stack area and $gp restore slot have the same offsets 35 ; relative to $sp. 36 ; 37 ; CHECK: alloca2 38 ; CHECK: .cprestore [[OFF:[0-9]+]] 39 ; CHECK: subu $[[T0:[0-9]+]], $sp, $[[SZ:[0-9]+]] 40 ; CHECK: addu $sp, $zero, $[[T0]] 41 ; CHECK: addiu $[[T1:[0-9]+]], $sp, [[OFF]] 42 43 %tmp1 = alloca i8, i32 %size, align 4 44 %0 = bitcast i8* %tmp1 to i32* 45 %cmp = icmp sgt i32 %size, 10 46 br i1 %cmp, label %if.then, label %if.else 47 48 if.then: ; preds = %entry 49 ; CHECK: addiu $4, $[[T1]], 40 50 51 %add.ptr = getelementptr inbounds i8* %tmp1, i32 40 52 %1 = bitcast i8* %add.ptr to i32* 53 call void @foo3(i32* %1) nounwind 54 %arrayidx15.pre = getelementptr inbounds i8* %tmp1, i32 12 55 %.pre = bitcast i8* %arrayidx15.pre to i32* 56 br label %if.end 57 58 if.else: ; preds = %entry 59 ; CHECK: addiu $4, $[[T1]], 12 60 61 %add.ptr5 = getelementptr inbounds i8* %tmp1, i32 12 62 %2 = bitcast i8* %add.ptr5 to i32* 63 call void @foo3(i32* %2) nounwind 64 br label %if.end 65 66 if.end: ; preds = %if.else, %if.then 67 ; CHECK: lw $5, 0($[[T1]]) 68 ; CHECK: lw $25, %call16(printf) 69 70 %.pre-phi = phi i32* [ %2, %if.else ], [ %.pre, %if.then ] 71 %tmp7 = load i32* %0, align 4, !tbaa !0 72 %arrayidx9 = getelementptr inbounds i8* %tmp1, i32 4 73 %3 = bitcast i8* %arrayidx9 to i32* 74 %tmp10 = load i32* %3, align 4, !tbaa !0 75 %arrayidx12 = getelementptr inbounds i8* %tmp1, i32 8 76 %4 = bitcast i8* %arrayidx12 to i32* 77 %tmp13 = load i32* %4, align 4, !tbaa !0 78 %tmp16 = load i32* %.pre-phi, align 4, !tbaa !0 79 %arrayidx18 = getelementptr inbounds i8* %tmp1, i32 16 80 %5 = bitcast i8* %arrayidx18 to i32* 81 %tmp19 = load i32* %5, align 4, !tbaa !0 82 %arrayidx21 = getelementptr inbounds i8* %tmp1, i32 20 83 %6 = bitcast i8* %arrayidx21 to i32* 84 %tmp22 = load i32* %6, align 4, !tbaa !0 85 %arrayidx24 = getelementptr inbounds i8* %tmp1, i32 24 86 %7 = bitcast i8* %arrayidx24 to i32* 87 %tmp25 = load i32* %7, align 4, !tbaa !0 88 %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([22 x i8]* @.str, i32 0, i32 0), i32 %tmp7, i32 %tmp10, i32 %tmp13, i32 %tmp16, i32 %tmp19, i32 %tmp22, i32 %tmp25) nounwind 89 ret i32 0 90 } 91 92 declare void @foo3(i32*) 93 94 declare i32 @printf(i8* nocapture, ...) nounwind 95 96 !0 = metadata !{metadata !"int", metadata !1} 97 !1 = metadata !{metadata !"omnipotent char", metadata !2} 98 !2 = metadata !{metadata !"Simple C/C++ TBAA", null} 99
