1 ; RUN: llc < %s -mtriple=i386-apple-darwin -disable-fp-elim | FileCheck %s 2 3 %struct.decode_t = type { i8, i8, i8, i8, i16, i8, i8, %struct.range_t** } 4 %struct.range_t = type { float, float, i32, i32, i32, [0 x i8] } 5 6 define i32 @decode_byte(%struct.decode_t* %decode) nounwind { 7 ; CHECK: decode_byte: 8 ; CHECK: pushl 9 ; CHECK: popl 10 ; CHECK: popl 11 ; CHECK: jmp 12 entry: 13 %tmp2 = getelementptr %struct.decode_t* %decode, i32 0, i32 4 ; <i16*> [#uses=1] 14 %tmp23 = bitcast i16* %tmp2 to i32* ; <i32*> [#uses=1] 15 %tmp4 = load i32* %tmp23 ; <i32> [#uses=1] 16 %tmp514 = lshr i32 %tmp4, 24 ; <i32> [#uses=1] 17 %tmp56 = trunc i32 %tmp514 to i8 ; <i8> [#uses=1] 18 %tmp7 = icmp eq i8 %tmp56, 0 ; <i1> [#uses=1] 19 br i1 %tmp7, label %UnifiedReturnBlock, label %cond_true 20 21 cond_true: ; preds = %entry 22 %tmp10 = tail call i32 @f( %struct.decode_t* %decode ) ; <i32> [#uses=1] 23 ret i32 %tmp10 24 25 UnifiedReturnBlock: ; preds = %entry 26 ret i32 0 27 } 28 29 declare i32 @f(%struct.decode_t*) 30 31 32 ; There should be no store for the undef operand. 33 34 ; CHECK: _test2: 35 ; CHECK-NOT: 8(%esp) 36 ; CHECK: 4(%esp) 37 ; CHECK-NOT: 8(%esp) 38 ; CHECK: calll 39 declare i32 @foo(i32, i32, i32) 40 41 define void @test2() nounwind { 42 entry: 43 %call = call i32 @foo(i32 8, i32 6, i32 undef) 44 ret void 45 } 46
