1; RUN: llc < %s -mtriple=i386-apple-darwin -disable-fp-elim | FileCheck %s -check-prefix=32 2; RUN: llc < %s -mtriple=x86_64-apple-darwin -disable-fp-elim | FileCheck %s -check-prefix=64 3 4; Tail call should not use ebp / rbp after it's popped. Use esp / rsp. 5 6define void @t1(i8* nocapture %value) nounwind { 7entry: 8; 32-LABEL: t1: 9; 32: jmpl *4(%esp) 10 11; 64-LABEL: t1: 12; 64: jmpq *%rdi 13 %0 = bitcast i8* %value to void ()* 14 tail call void %0() nounwind 15 ret void 16} 17 18define void @t2(i32 %a, i8* nocapture %value) nounwind { 19entry: 20; 32-LABEL: t2: 21; 32: jmpl *8(%esp) 22 23; 64-LABEL: t2: 24; 64: jmpq *%rsi 25 %0 = bitcast i8* %value to void ()* 26 tail call void %0() nounwind 27 ret void 28} 29 30define void @t3(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i8* nocapture %value) nounwind { 31entry: 32; 32-LABEL: t3: 33; 32: jmpl *28(%esp) 34 35; 64-LABEL: t3: 36; 64: jmpq *8(%rsp) 37 %0 = bitcast i8* %value to void ()* 38 tail call void %0() nounwind 39 ret void 40} 41 42define void @t4(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i8* nocapture %value) nounwind { 43entry: 44; 32-LABEL: t4: 45; 32: jmpl *32(%esp) 46 47; 64-LABEL: t4: 48; 64: jmpq *16(%rsp) 49 %0 = bitcast i8* %value to void ()* 50 tail call void %0() nounwind 51 ret void 52} 53