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| author | Derek Schuff <dschuff@google.com> | 2015-11-03 22:40:40 +0000 |
|---|---|---|
| committer | Derek Schuff <dschuff@google.com> | 2015-11-03 22:40:40 +0000 |
| commit | 6b5c6da7603a6ddab37d93828b20141cd410c3da (patch) | |
| tree | 4962600ebdef32b29a271eccd3663cbbb5c4e63e /llvm/test/CodeGen | |
| parent | 0644900004343cd0eb094eba97a3f2edf61a1cd5 (diff) | |
| download | bcm5719-llvm-6b5c6da7603a6ddab37d93828b20141cd410c3da.tar.gz bcm5719-llvm-6b5c6da7603a6ddab37d93828b20141cd410c3da.zip | |
[WebAssembly] Support wasm select operator
Summary:
Add support for wasm's select operator, and lower LLVM's select DAG node
to it.
Reviewers: sunfish
Subscribers: dschuff, llvm-commits, jfb
Differential Revision: http://reviews.llvm.org/D14295
llvm-svn: 252002
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/WebAssembly/select.ll | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/WebAssembly/select.ll b/llvm/test/CodeGen/WebAssembly/select.ll new file mode 100644 index 00000000000..361101abfc2 --- /dev/null +++ b/llvm/test/CodeGen/WebAssembly/select.ll @@ -0,0 +1,63 @@ +; RUN: llc < %s -asm-verbose=false | FileCheck %s +; RUN: llc < %s -asm-verbose=false -fast-isel | FileCheck %s + +; Test that wasm select instruction is selected from LLVM select instruction. + +target datalayout = "e-p:32:32-i64:64-n32:64-S128" +target triple = "wasm32-unknown-unknown" + +;; CHECK-LABEL: select_i32: +;; CHECK: get_local 1 +;; CHECK: set_local [[LOCAL_B:[0-9]]] +;; CHECK: get_local 0 +;; CHECK: set_local [[LOCAL_A:[0-9]]] +;; CHECK: i32.eq (get_local 5), (get_local 6) +;; CHECK: set_local 7, pop +;; CHECK: i32.select (get_local 7), (get_local [[LOCAL_A]]), (get_local [[LOCAL_B]]) +define i32 @select_i32(i32 %a, i32 %b, i32 %cond) { + %cc = icmp eq i32 %cond, 0 + %result = select i1 %cc, i32 %a, i32 %b + ret i32 %result +} + +;; CHECK-LABEL: select_i64: +;; CHECK: get_local 1 +;; CHECK: set_local [[LOCAL_B:[0-9]]] +;; CHECK: get_local 0 +;; CHECK: set_local [[LOCAL_A:[0-9]]] +;; CHECK: i32.eq (get_local 5), (get_local 6) +;; CHECK: set_local 7, pop +;; CHECK: i64.select (get_local 7), (get_local [[LOCAL_A]]), (get_local [[LOCAL_B]]) +define i64 @select_i64(i64 %a, i64 %b, i32 %cond) { + %cc = icmp eq i32 %cond, 0 + %result = select i1 %cc, i64 %a, i64 %b + ret i64 %result +} + +;; CHECK-LABEL: select_f32: +;; CHECK: get_local 1 +;; CHECK: set_local [[LOCAL_B:[0-9]]] +;; CHECK: get_local 0 +;; CHECK: set_local [[LOCAL_A:[0-9]]] +;; CHECK: i32.eq (get_local 5), (get_local 6) +;; CHECK: set_local 7, pop +;; CHECK: f32.select (get_local 7), (get_local [[LOCAL_A]]), (get_local [[LOCAL_B]]) +define float @select_f32(float %a, float %b, i32 %cond) { + %cc = icmp eq i32 %cond, 0 + %result = select i1 %cc, float %a, float %b + ret float %result +} + +;; CHECK-LABEL: select_f64: +;; CHECK: get_local 1 +;; CHECK: set_local [[LOCAL_B:[0-9]]] +;; CHECK: get_local 0 +;; CHECK: set_local [[LOCAL_A:[0-9]]] +;; CHECK: i32.eq (get_local 5), (get_local 6) +;; CHECK: set_local 7, pop +;; CHECK: f64.select (get_local 7), (get_local [[LOCAL_A]]), (get_local [[LOCAL_B]]) +define double @select_f64(double %a, double %b, i32 %cond) { + %cc = icmp eq i32 %cond, 0 + %result = select i1 %cc, double %a, double %b + ret double %result +} |
