1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin10.0 -relocation-model=pic -disable-fp-elim | FileCheck %s 2 3 ; It's not legal to fold a load from 32-bit stack slot into a 64-bit 4 ; instruction. If done, the instruction does a 64-bit load and that's not 5 ; safe. This can happen we a subreg_to_reg 0 has been coalesced. One 6 ; exception is when the instruction that folds the load is a move, then we 7 ; can simply turn it into a 32-bit load from the stack slot. 8 ; rdar://7170444 9 10 %struct.ComplexType = type { i32 } 11 12 define i32 @t(i32 %clientPort, i32 %pluginID, i32 %requestID, i32 %objectID, i64 %serverIdentifier, i64 %argumentsData, i32 %argumentsLength) ssp { 13 entry: 14 ; CHECK: _t: 15 ; CHECK: movl 16(%rbp), 16 %0 = zext i32 %argumentsLength to i64 ; <i64> [#uses=1] 17 %1 = zext i32 %clientPort to i64 ; <i64> [#uses=1] 18 %2 = inttoptr i64 %1 to %struct.ComplexType* ; <%struct.ComplexType*> [#uses=1] 19 %3 = invoke i8* @pluginInstance(i8* undef, i32 %pluginID) 20 to label %invcont unwind label %lpad ; <i8*> [#uses=1] 21 22 invcont: ; preds = %entry 23 %4 = add i32 %requestID, %pluginID ; <i32> [#uses=0] 24 %5 = invoke zeroext i8 @invoke(i8* %3, i32 %objectID, i8* undef, i64 %argumentsData, i32 %argumentsLength, i64* undef, i32* undef) 25 to label %invcont1 unwind label %lpad ; <i8> [#uses=0] 26 27 invcont1: ; preds = %invcont 28 %6 = getelementptr inbounds %struct.ComplexType* %2, i64 0, i32 0 ; <i32*> [#uses=1] 29 %7 = load i32* %6, align 4 ; <i32> [#uses=1] 30 invoke void @booleanAndDataReply(i32 %7, i32 undef, i32 %requestID, i32 undef, i64 undef, i32 undef) 31 to label %invcont2 unwind label %lpad 32 33 invcont2: ; preds = %invcont1 34 ret i32 0 35 36 lpad: ; preds = %invcont1, %invcont, %entry 37 %exn = landingpad {i8*, i32} personality i32 (...)* @__gxx_personality_v0 38 cleanup 39 %8 = call i32 @vm_deallocate(i32 undef, i64 0, i64 %0) ; <i32> [#uses=0] 40 unreachable 41 } 42 43 declare i32 @vm_deallocate(i32, i64, i64) 44 45 declare i8* @pluginInstance(i8*, i32) 46 47 declare zeroext i8 @invoke(i8*, i32, i8*, i64, i32, i64*, i32*) 48 49 declare void @booleanAndDataReply(i32, i32, i32, i32, i64, i32) 50 51 declare i32 @__gxx_personality_v0(...) 52
